Question

How does body shape of fish, helps it to swim

Answer 1

Fish swim by flexing their bodies and tail back and forth. Fish stretch or expand their muscles on one side of their body, while relaxing the muscles on the other side. ... Fish use their back fin, called the caudal fin, to help push them through the water. The fish's other fins help it steer.

Answer 2

Answer:

through their fins

Explanation:

When fish takes water inside it flaps are are opened and when releases water it flaps are closed

So,it can breathe and it can swims their fins called as cardial fins