Question

How do vipers breathe ?

Answer 1

vipers breathe by moving muscles that surround the rib cage

Answer 2

Answer:

Snakes have nostrils, just like humans, and they breathe through them and use them to smell. However, their best sense of smell comes from using their tongue, and they can also breathe through their mouths, like humans, by using their glottis.

Explanation:

Hope it helps