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Most sharks have 5 of these openings on either side of their heads, but some species have 7 |
gills
|
$200 |
J |
SHARK! |
2023-07-18 |
#8917 |
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Most sharks have 5 pairs of these--those with 7 are among the oldest shark species in existence |
gills
|
$800 |
J |
SHARKS & JETS |
2017-11-23 |
#7639 |
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Almost all sharks have 5 of these "slits"; & some don't have to swim constantly to pump water over them |
gills
|
$400 |
DJ |
SHARK! |
2008-02-21 |
#5404 |
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In these organs in most fish, water flows the opposite direction to the blood, increasing oxygen transfer |
gills
|
$400 |
DJ |
MARINE BIOLOGY |
2007-05-24 |
#5239 |
|
The chief respiratory organs of a fish |
the gills
|
$200 |
J |
FISH |
1987-09-21 |
#696 |