Search Results | gill
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What if people had gills?
health.howstuffworks.com/human-body/systems/respiratory/people-had-gills.htm
If people had gills, they would need hundreds more than an average fish needs. Find out what would happen if people had gills at HowStuffWorks.
5 Little-known Facts About Fish
animals.howstuffworks.com/animal-facts/5-little-known-facts-about-fish.htm
A fish is a water-dwelling animal that breathes through gills and has a backbone, fins and a two-chambered heart.
10 Starfish Species You've Probably Never Seen Before
animals.howstuffworks.com/marine-life/starfish.htm
What lives in water, has no gills, scales or fins and is not a fish? Yep, a starfish - which is why marine biologists have renamed these creatures sea stars.
If water is made up of hydrogen and oxygen, why can't we breathe underwater?
science.howstuffworks.com/question386.htm
If water is made up of hydrogen and oxygen, why can't we breathe underwater? It has to do with how molecules combine and how the human lung functions.
Will a Shark Drown if It Stops Moving?
animals.howstuffworks.com/fish/sharks/shark-drown.htm
Can a shark drown if it stops moving is a question that people have been asking since they laid eyes on the shark. Find out how can a shark drown.
Why No Fish Wants a Tongue-eating Parasitic Louse in its Mouth
animals.howstuffworks.com/marine-life/parasitic-tongue-eating-louse.htm
Cymothoa exigua will make you feel very glad you're not a fish.
Sea Spiders Breathe Through Pores in Their Legs
animals.howstuffworks.com/marine-life/sea-spiders-breathe-through-pores-in-their-legs.htm
Sea spiders don't do anything by the book, and researchers have just gotten to the bottom of how they breathe.
The Angel Shark, aka Sand Devil, Lurks on the Ocean Floor
animals.howstuffworks.com/endangered-species/angel-shark.htm
Is the angel shark the holiest fish in the sea? Their name certainly seems to indicate a pure and pious air, and some seafood connoisseurs say that a bite of an angel shark is like a little taste of heaven.
Hagfish: This Eel-like Slime Machine Is a Predator's Nightmare
animals.howstuffworks.com/fish/hagfish.htm
The elusive hagfish is a master at hiding in holes and crevices, but its main defense is its ability to release a noxious, suffocating and sometimes poisonous slime when attacked.
What If Humans Could Breathe Underwater?
science.howstuffworks.com/science-vs-myth/what-if/what-if-humans-could-breathe-underwater.htm
Remove that pesky drowning risk, and the world formerly under the sea opens with possibility - despite our inefficient limbs and tendency toward hypothermia.