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They have gills under their mouths that allow them to breathe. When the gills start to dry out, foam forms at the mouth, telling you that the crab has trouble breathing.
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoA crab uses it's lung to breathe
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The crab breathe by his?
They use lungs and gills.
Do crabs breathe?
Of course they do! Unless the crab is dead.
What animals that breathe through book lungs?
crab
Do crab breathe through gills?
Yes, they breathe to extract oxygen from the water like a fish.
How does a crab breathe under water?
It keeps air in its shell then breathes it in
Why can't you eat crab lungs?
Because its REALLY discusting to eat crab lungs. You could die bye eating were they breathe and NO ONE SHOULD DO THIS!!!!!!!!!!
How many hows are in the how of the hows?
daddy
How do crabs breathe underwater and above water?
There are crabs which breathe water and crabs which breathe air. It is rare to find a crab that does both but intertidal crabs do but they must remain wet to breath air (strange, right?).
Hey hows it going?
pretty good. Hows it going?
How does a hermit crab breathe?
Hermit crabs haveb modified gills which means they can't breathe underwater but need 70-80% of humidity and temp to keep their gills moist.
Is hows you correct grammar?
No, "hows you" is not correct grammar. The correct way to ask that question would be "How are you?" or "How are you doing?"
How do crab breathe on land?
Crabs gills are special they have a part that can help them take the oxigen without needing water.
