Anatomy Study Guide

Science 1,090 clues | 169 recurring answers

Topic Overview Study Guide Practice

169

answers to learn

22 Must-Know

45 Should-Know

102 Worth Knowing

Quick Reference: Must-Know Answers

These appear 8+ times. Memorize these first.

the liver 24 the brain 19 the inner ear 19 the heart 17 the pancreas 16 the lungs 16 the kidneys 15 the diaphragm 14 the tongue 14 the stomach 13 the eyes 12 the pituitary 11 the trachea 11 your teeth 11 muscles 10 the eye 10 the spleen 10 the nose 10 the esophagus 9 the small intestine 8 the aorta 8 the thyroid 8

Answers by Category

Chemistry / Elements

63 answers | 345 clues

Must-Know (13)

the liver 24x 12.5% stumper $681 avg J:10 DJ:14

J $400 1991 Although stored in the gall bladder, bile is manufactured by this organ

DJ $600 1996 This organ receives blood from 2 sources, the hepatic artery & the portal vein

DJ $900 DD 1987 The hepatic artery supplies this body part with oxygen

the brain 19x 10.5% stumper $479 avg J:7 DJ:12

DJ $200 1998 We think this organ has over 12 billion neurons & 50 billion glial cells

J $500 1987 In "The Wizard of Oz", the Scarecrow sang about his desire to have this

DJ $1,000 1985 By age 5, this 3 lb. organ has reached 90% of its adult weight

the inner ear 19x 11.1% stumper $506 avg J:6 DJ:12 FJ:1

DJ $200 1999 The stapes, the smallest bone in the body, is located in this organ

DJ $600 1991 Part of the body that can be affected by an inflammation called labyrinthitis

DJ $1,200 2012 "The external" this "comprises the auricle, or pinna, and the external acoustic meatus"

the lungs 16x 6.7% stumper $470 avg J:7 DJ:8 FJ:1

DJ $50 1983 If the body were a car, they would be the carburetors

DJ $600 1996 For the average adult human, the capacity of these is about 3.5 liters

DJ $1,000 1987 They are contained in the right & left pleural sacs

the kidneys 15x $587 avg J:4 DJ:11

J $300 1993 The cerebral cortex is part of the brain & the renal cortex is part of this organ

J $500 1989 Bowman's capsules are found in these filtering organs in your body

DJ $1,000 1991 Salt & water are extracted from the blood by tiny tubes called nephrons, found in these organs

the diaphragm 14x $514 avg J:8 DJ:6

DJ $200 1995 When a person inhales, this muscular sheet contracts & moves downward, expanding the chest

DJ $600 1991 Inhaling & exhaling results mainly from the contraction of this muscle

J $1,000 DD 1993 The esophagus, aorta & inferior vena cava all pass through this dome-shaped partition in the chest

the tongue 14x $464 avg J:7 DJ:7

J $200 1991 As their name indicates, the lingual tonsils are found at the back of this organ

DJ $800 2022 A spoken language

DJ $2,000 DD 2006 The hypoglossal nerve functions as the motor to most of the muscles of this organ

the stomach 13x 23.1% stumper $392 avg J:8 DJ:5

J $100 1987 Acid here sterilizes digested food & kills bacteria

DJ $800 1992 This J-shaped organ is usually located in the upper left side of the abdominal cavity

J $1,000 2009 A ringlike muscle called the pyloric sphincter lies at the end of this, leading into the duodenum

the pituitary 11x 36.4% stumper $1,264 avg J:1 DJ:10

DJ $400 1993 If this gland at the base of the brain fails to function early in life, short stature may result

DJ $800 1993 Among this gland's functions are to regulate the thyroid & adrenal glands

J $1,000 2022 A tumor on this gland can cause gigantism or Cushing's disease

the spleen 10x 50.0% stumper $1,100 avg J:2 DJ:8

J $400 1986 This small organ makes white blood cells & stores red ones, whether you're venting it or not

DJ $500 DD 2006 Each day this dark purple, ductless 6-letter organ destroys about 200 billion red blood cells on purpose

DJ $1,000 1986 Largest lymphoid organ in the body, it destroys worn out blood cells & acts as a blood reservoir

the esophagus 9x $456 avg J:4 DJ:5

J $300 2001 Heartburn has nothing to do with the heart; it's caused by acid from the stomach rising back into this tube

DJ $600 1993 This muscular tube that carries food from the throat to the stomach is also called the gullet

J $400 1989 When you toss a drink down the hatch, it goes down this tube to the stomach

the small intestine 8x $838 avg J:2 DJ:6

J $300 1994 The duodenum, jejunum & ileum are the 3 main sections of this

DJ $600 1995 About 13 feet long, the ileum is the longest section of this organ

DJ $1,200 2024 Peristaltic waves in the stomach propel food to this organ, all 7 yards of it

the aorta 8x $1,475 avg J:2 DJ:6

J $300 1991 This artery is the primary vessel for carrying blood from the heart to the rest of the body

J $500 1989 As arteries go, this one's the largest

DJ $1,600 2010 (Jimmy of the Clue Crew stands in front of a diagram of a heart.) This tube, the largest artery in your body, originates in a heart's left ventricle & sends blood to every part of your body

Should-Know (18)

the larynx 7x $357 avg J:4 DJ:3

DJ $200 1993 It's just under the pharynx & its name uses most of the same letters

DJ $800 2022 Its central ridge is called the Adam's apple

J $300 1994 It's the medical name for the voice box

the knee 7x 14.3% stumper $557 avg J:5 DJ:2

J $100 1988 This joint is the juncture of the femur, tibia & patella

J $800 2013 "For it is written, as I live, saith the Lord, every" this "shall bow to me"

DJ $1,600 2008 A common injury to this joint is a tear of the anterior cruciate ligament

the Achilles tendon 6x $517 avg J:4 DJ:2

J $200 1994 This tendon at the back of the ankle helps you stand on tiptoe

J $600 2017 The strongest tendon in the body, it's named for the king of the Myrmidons

J $300 1991 The tendon named for this mythological character links the calf muscles to the heel bones

insulin 6x $533 avg J:5 DJ:1

J $200 1998 This pancreatic hormone is produced in specialized cells in the islets of Langerhans

J $500 1988 This hormone causes cells to take in & use sugar from the bloodstream

DJ $1,600 2008 Glucose levels in the blood are regulated by 2 pancreatic hormones: glucagon & this

ovaries 6x $467 avg J:3 DJ:3

J $200 1997 When a woman is born, these reproductive organs contain about 2 million potential eggs

DJ $800 2021 Sometimes done to treat cysts, an oophorectomy is the removal of this body part

J $400 2002 As their name suggests, these female reproductive organs produce the eggs

blood 6x $183 avg J:3 DJ:3

J $100 1989 Of blood, sweat or tears, the one that's not a product of an exocrine gland

J $100 1987 This not only carries oxygen & food to tissue but removes waste products as well

DJ $200 1990 Shock is characterized by a dangerous reduction in the flow of this

the appendix 6x 16.7% stumper $533 avg J:2 DJ:4

J $200 1993 Resembling a worm, this slender tube attached to the cecum probably has no function in humans

J $600 2002 This slender, closed tube that extends from the large intestine may become inflamed & even burst

DJ $800 2007 (Cheryl of the Clue Crew presents from a lab.) Due to its worm-like shape, the adjective vermiform is commonly used to refer to this tubethat's attached to the cecum

knuckles 5x 20.0% stumper $640 avg J:1 DJ:4

DJ $400 1991 These joints are located between the metacarpals & the adjoining phalanges on a hand

J $800 2006 In the Middle Ages, this word referred not only to the finger joints but to the knee as well

DJ $1,200 2025 In 2024 Idris Elba voiced this title character in a Paramount+ show set in the Sonic the Hedgehog universe

clavicle 5x $1,240 avg J:2 DJ:3

J $400 2018 From the Latin for "little key", it's another name for the collarbone

J $800 2004 Evel says he's broken 35 bones, including this, the slender bone that forms the anterior part of the shoulder

DJ $2,000 2007 (Jimmy of the Clue Crew reads in front of a skeleton)It's the medical name for these two bones, from the Latin for "key"; in birds, they fuse to form a wishbone

the colon 4x 50.0% stumper $1,050 avg J:1 DJ:3

J $800 2004 Diverticulitis is a common disease of this 5-foot-long section of the large intestine

DJ $1,000 1991 This largest part of the large intestine includes sections called the transverse & descending

DJ $800 1993 This part of the large intestine is especially subject to diverticulitis

plasma 4x $650 avg J:1 DJ:3

J $200 1991 A single drop of blood contains millions of cells floating in this straw-colored fluid

DJ $600 1984 The liquid part of the blood

DJ $1,600 2002 This straw-colored fluid which makes up 50 to 60% of the blood is over 90% water

the skin 4x $250 avg J:3 DJ:1

J $200 2011 On average, this human organ covers between 14 & 18 square feet

DJ $200 1993 Dandruff is made up of dead cells of this

J $400 1988 Tough, flexible, self-repairing & waterproof, it's the body's main protection against disease

the placenta 4x $425 avg J:3 DJ:1

J $100 1995 This disk-shaped organ in a pregnant woman provides the baby with food & oxygen

DJ $600 1991 This temporary organ in pregnant women supplies the unborn baby with food & oxygen

J $200 2011 In the womb a baby receives nourishment from this, also called the afterbirth

the medulla oblongata 4x 25.0% stumper $1,650 avg DJ:4

DJ $1,000 1988 The name of this part of the brain is from New Latin for "prolonged marrow"

DJ $1,600 2017 This lowermost portion of the brainstem is responsible for regulating both heart rate & respiration

DJ $2,000 2023 The lowest part of the brain stem has this 2-word name

red blood cells 4x 25.0% stumper $875 avg J:2 DJ:2

J $200 1988 Almost all oxygen needed by the body is carried by the hemoglobin in these cells

DJ $800 1991 Sickle cell anemia affects the shape of these cells

DJ $2,000 2022 Bilirubin, a pigment of bile, is the result of the breakdown of these cells

the large intestine 4x $725 avg J:2 DJ:2

DJ $400 2022 It's about 5 feet long & its name refers to its wider diameter, not its length

J $500 1990 Diverticulosis is a disease that usually affects this part of the body

DJ $1,600 2007 It includes the ascending colon & the sigmoid colon

Optic Nerve 4x 25.0% stumper $525 avg J:2 DJ:2

J $100 1993 This nerve consisting of about a million fibers connects the eyeball to the brain

J $800 2002 A "blind spot" is created at the point where this nerve enters the eye

DJ $800 1988 A typical one of these has dendrites & an axon extending from it

Ankle 4x 50.0% stumper $550 avg J:3 DJ:1

DJ $200 1997 The tarsus is the collective name for the 7 bones of this foot joint

J $800 2022 Around here, if you rank leisure above hard work, you might get a swift kick in this

J $1,000 DD 2009 The base of the fibula forms the outer projection of this joint

Worth Knowing (32)

the uterus 3 the cranium 3 the coccyx 3 lymph nodes 3 ligaments 3 cirrhosis 3 the thumb 3 marrow 3 cells 3 bone 3 Adrenal Glands 3 the sacrum 2 the rotator cuff 2 the pulmonary veins 2 the meninges 2 the incisors 2 the hypothalamus 2 the cerebrum 2 synapses 2 red 2 hemoglobin 2 DNA 2 cerebellum 2 carotid arteries 2 carbon 2 alveoli 2 adrenaline 2 98.6 2 the legs 2 the iris 2 the hip 2 mother's milk 2

Biology / Animals

29 answers | 131 clues

Must-Know (4)

the heart 17x 5.9% stumper $324 avg J:7 DJ:10

J $100 1995 During exercise, this organ pumps at least 30 quarts of blood per minute

J $500 1993 It's described in various verses as the seat of desire, hatred, lust & pride

J $1,000 2022 In the creepy haunted house you could hear the sound of this loud & clear

the pancreas 16x 25.0% stumper $1,206 avg J:7 DJ:9

J $400 1997 Hypoglycemia occurs when this organ secretes too much insulin

J $500 1986 To increase & decrease blood sugar, this gland produces the hormones insulin & glucagon

DJ $2,000 2002 This organ produces insulin & gluagon, 2 hormones that regulate the body's sugar balance

muscles 10x 10.0% stumper $330 avg J:4 DJ:6

J $100 1988 Over 400 of these account for about 40% of your body's weight, more perhaps for Arnold Schwarzenegger

DJ $1,200 DD 1998 Depending on what they're doing, these body parts are called agonists or antagonists

DJ $100 1983 Building these up with steroids has caused sports controversy

the thyroid 8x $988 avg J:4 DJ:4

J $100 1996 This gland located at the front of the neck controls metabolic activity

J $600 DD 1991 This butterfly-shaped gland straddles the windpipe just behind the Adam's apple

DJ $1,600 2020 Your metabolic rate is controlled by hormones secreted by this gland at the front of your neck

Should-Know (8)

the gallbladder 6x 16.7% stumper $817 avg J:3 DJ:3

J $300 1995 This small pouch can hold up to 1 1/2 ounces of bile at a time

J $600 2022 This pear-shaped sac can store about 1.7 ounces of bile

J $1,000 2002 Each day the liver produces about 2 pints of bile, which is then stored here

the epiglottis 6x 50.0% stumper $900 avg J:1 DJ:5

J $400 1987 Name of the flap which closes over the trachea when you swallow

DJ $600 1986 This thin plate of flexible cartilage protects the glottis during swallowing

DJ $1,000 1995 Some taste buds are located on this leaf-shaped flap of cartilage on top of the larynx

the epidermis 5x $260 avg J:2 DJ:3

J $200 1988 Nails grow from this top layer of skin

DJ $400 2015 This outer layer of the skin contains no blood vessels

DJ $400 1986 This top layer of your skin is 4 layers thick

the pharynx 4x 50.0% stumper $750 avg J:1 DJ:3

DJ $400 1992 This cone-shaped tube connects the nose & mouth with the voice box & esophagus

DJ $800 2006 If this conical tube connecting mouth & esophagus is damaged, you can't make vowel sounds

J $1,000 2024 P:Part of the alimentary canal, this passageway is between the esophagus & mouth

platelets 4x $1,025 avg J:1 DJ:3

J $500 1996 These corpuscles are named for their shape rather than for their color

DJ $1,200 2006 A microliter of blood contains from 150,000 to 400,000 of these blood-clotting bodies

DJ $800 DD 1991 Named for their shape, these smallest blood cells are essential for blood clotting

ears 4x 25.0% stumper $350 avg J:1 DJ:3

DJ $200 1987 "Lend me" these "and I'll sing you a song & I'll try not to sing out of key"

DJ $600 1990 The smallest human muscle is found in these organs

DJ $200 1984 Mark Anthony borrowed them, then bent them

the scapula 4x 50.0% stumper $750 avg J:1 DJ:3

DJ $400 1991 It's the medical name for the shoulder blade

DJ $1,000 1993 The humerus forms a ball-and-socket joint with this shoulder bone

DJ $1,200 2015 The pectoral girdle consists of the clavicle & this other bone

the biceps 4x 25.0% stumper $675 avg J:2 DJ:2

J $200 2022 This big muscle runs from your shoulder to your radius

DJ $600 1987 The most prominent muscle on the anterior aspect of the arm

DJ $1,600 2007 In the arm, the name of this muscle precedes brachii; in the leg, femoris

Worth Knowing (17)

the mitral valve 3 the femur 3 melatonin 3 calcium 3 the wrist 3 the thyroid gland 3 pelvis 3 muscle 3 a stirrup 3 white 2 the head 2 taste buds 2 arm 2 the patella 2 the kidney 2 the hair follicle 2 the foot 2

Medicine / Health

35 answers | 112 clues

Should-Know (11)

the humerus 7x 28.6% stumper $1,100 avg J:4 DJ:3

J $300 1989 It's no joke when this arm bone shifts out of the glenoid cavity socket

J $500 2001 Ligaments in the elbow connect the radius & the ulna to this bone

DJ $1,000 1993 The name of this upper arm bone comes from the Latin for "upper arm"

the mandible 6x $367 avg J:2 DJ:4

J $200 1995 Most of the tongue muscles attach to this jawbone

DJ $800 1991 It's the bone that forms your chin

DJ $200 1990 The only mobile bone of the face

hair 6x $233 avg J:2 DJ:4

J $200 2018 When you're cold or frightened, your arrector pili muscles make this "stand on end"

DJ $200 2000 When you're frightened your arrector pili muscles make this "stand on end"

J $200 1998 If a Hungarian's haj, this, is too hosszu, long, it may be time for a trim

Capillaries 6x $417 avg J:3 DJ:3

J $200 2006 These minute blood vessels connect arteries & veins

J $700 DD 1994 They connect arterioles with venules

DJ $400 2015 Tiny blood vessels; also, tiny channels that carry bile

the skull 6x $517 avg J:6

J $200 1989 Your spinal cord is shielded by the spinal column & your brain is shielded by this

J $600 2004 Alas, poor Yorick, do not leap forth at Caesars, for verily, Evel fractured this upon landing in the year 1969

J $500 1987 Part of the body where you would find the frontal, parietal & occipital bones

the jugular veins 5x 40.0% stumper $780 avg J:2 DJ:3

J $200 1995 The carotid arteries carry blood into the head & these veins carry it away to the subclavian vein

DJ $800 2005 Blood returns to the heart from the head & neck by way of these 2 large veins on each side of the neck

DJ $1,000 1984 The 4 large veins that return blood to the heart from the head & neck

cartilage 5x 20.0% stumper $540 avg J:4 DJ:1

J $200 1996 If this is torn in your knee, a meniscectomy may be performed to remove part or all of it

J $500 1991 In osteoarthritis this tissue disintegrates & bones rub against one another

DJ $1,200 2007 The meniscus disks in your knee are a type of this material that may tear if you twist wrong

the tibia 5x 20.0% stumper $760 avg J:1 DJ:4

J $400 2022 The fibula is partnered with this bone, also known as the shin

DJ $800 1996 After the femur, it's the longest bone in the body

DJ $1,000 1990 Also called the shinbone, it's the 2nd longest bone in your body

ribs 4x $400 avg J:2 DJ:2

DJ $200 1995 These paired bones that protect the heart & lungs rise & fall as you breathe

DJ $800 2016 Humans have 7 superior or true pairs of these bones & 5 pairs of inferior or false ones

J $300 1991 Only the upper seven pairs of these are attached to the breastbone

the jugular 4x 50.0% stumper $500 avg J:2 DJ:2

J $400 2009 This vein's name comes from the Latin for "collarbone"

DJ $800 2002 The name of these veins on the sides of the neck comes from the Latin for "collarbone"

J $400 1988 This term refers to any of the large veins in the neck

the feet 4x $300 avg J:2 DJ:2

J $200 1985 A man walking places pressure of up to 2000 lbs. per sq. inch on the bones in this

DJ $400 1987 It's where Carole King felt "the earth move"

J $200 1991 They contain tarsals, metatarsals & phalanges

Worth Knowing (24)

the triceps 3 the shin 3 the lens 3 the gluteus maximus 3 Deltoid 3 your neck 3 the spinal cord 2 the radius 2 the pericardium 2 the kneecap 2 the fibula 2 the dura mater 2 the carpals 2 the carotid artery 2 skeletal 2 plaque 2 4 2 2 2 your pulse 2 the leg 2 the gluteus 2 the gall bladder 2 shoulder blade 2 her eyebrows 2

Astronomy / Space

12 answers | 67 clues

Must-Know (3)

the eyes 12x $367 avg J:8 DJ:4

J $100 1995 The uveal tract in this organ consists of the ciliary body, the choroid & the iris

DJ $800 1991 A jellylike substance called the vitreous humor fills much of the space in these organs

DJ $1,000 1993 To make them "beautiful women", Italian women once used drops of belladonna to enlarge these

the eye 10x 22.2% stumper $644 avg J:5 DJ:4 FJ:1

J $100 1986 Part of your body which contains rods & cones

DJ $800 1987 Its cone-shaped bony socket is called the "orbit"

DJ $1,600 2006 It sounds funny, but the aqueous humor lubricates important parts of this organ

the nose 10x 10.0% stumper $300 avg J:6 DJ:4

J $100 1997 Vibrissae are the short stiff hairs that line this organ of smell

DJ $600 1985 Every day, this has to filter, humidify & warm or cool about 500 cubic feet of air

J $100 1997 Rhin--or rhino--at the beginning of a word indicates this body part is involved

Should-Know (4)

the retina 7x $1,200 avg DJ:7

DJ $200 1993 This part of the eye has about 135 million light-sensitive cells

DJ $800 2025 Looking directly at the Sun during an eclipse can burn this light-sensitive membrane at the back of the eye

DJ $5,000 DD 2008 (Cheryl of the Clue Crew presents the visual.) Red eye in photographs is the reflection of the flash off the blood vessels from this posterior part of the eye

the solar plexus 7x 28.6% stumper $1,286 avg DJ:7

DJ $400 1991 This term for a network of nerves or blood vessels can follow "brachial" & "solar"

DJ $800 1988 It 1st became well known in 1897 when Fitzsimmons knocked out Corbett with a blow to it

DJ $1,200 2002 A punch to this "sunny" network of nerves in back of the stomach can knock a man out

the cornea 5x 20.0% stumper $800 avg J:3 DJ:2

J $200 2009 This transparent membrane in the eye covers the iris & has no blood vessels

DJ $600 1986 The eye's clear outer layer where a soft lens wearer makes "contact"

DJ $2,000 2024 Astigmatism occurs when the curvature of this dome-shaped transparent membrane becomes irregular

melanin 4x $575 avg J:1 DJ:3

DJ $400 1996 This pigment can absorb only so much ultraviolet light before your skin starts to burn

J $500 1991 A mole is a group of cells containing an unusually high concentration of this pigment

DJ $600 1990 Freckles & moles are caused by a concentration of this skin pigment

Worth Knowing (5)

vitamin D 3 the mouth 3 sinuses 2 saliva 2 his knees 2

Other

17 answers | 45 clues

Should-Know (3)

the eustachian tube 5x $900 avg J:3 DJ:2

J $400 1995 This narrow, collapsed tube opens when you yawn or swallow

J $800 2018 Swallowing or yawning can equalize the pressure in this, also called the auditory tube

DJ $1,000 1986 If you "stick it in your ear" & it winds up down your throat, it would have passed through this tube

= 4x 25.0% stumper $550 avg DJ:4

DJ $200 1992 =

DJ $600 1992 =

DJ $1,000 1992 =

tonsils 4x 25.0% stumper $900 avg J:1 DJ:3

DJ $600 1997 These masses of tissue at the back of the throat are of 3 types: palatine, lingual & pharyngeal

DJ $1,200 2015 There are 3 types of these tissue masses at the back of the throat: palatine, lingual & pharyngeal

J $800 2024 T:Adenoids are a type of these

Worth Knowing (14)

fat 3 the alimentary canal 3 eardrum 3 the tympanic membrane 3 the salivary glands 2 the jugular vein 2 the Adam's apple 2 tears 2 salivary 2 follicles 2 your wisdom teeth 2 the shoulder 2 the sebaceous glands 2 the molars 2

Math / Physics

11 answers | 36 clues

Must-Know (1)

the trachea 11x 9.1% stumper $618 avg J:7 DJ:4

J $100 1994 This tube, which is only about 4 1/2" long, ends in the chest, where it divides into 2 bronchi

J $500 1995 During swallowing, the epiglottis prevents food from entering the larynx & this tube

DJ $1,200 2017 16 to 20 incomplete rings of cartilage hold open the windpipe, AKA this

Should-Know (1)

nails 4x $425 avg J:3 DJ:1

J $200 1993 The human integumentary system is made up of the skin, hair & these

J $600 2021 Llamas are sure-footed grazers because of their padded feet, which have these on their toes instead of hooves

J $100 1993 Keratin is found only in a body's hair, epidermis & these

Worth Knowing (9)

the endocrine system 3 the pituitary gland 3 the elbow 3 the sciatic nerve 2 the dermis 2 sweat glands 2 Glycogen 2 canines 2 the windpipe 2

Botany / Plants

2 answers | 13 clues

Must-Know (1)

your teeth 11x 18.2% stumper $245 avg J:9 DJ:2

J $100 1997 An average Dutch person has twee en dertig, 32, of these, tanden

J $500 1985 A gluttonous man may dig his grave with these

J $200 2021 Sheep don't have any upper front these, using a dental pad instead

Worth Knowing (1)

tooth 2

Start Studying Anatomy
« Back to Anatomy overview