Do sharks have a respiratory system?

Answer 1

One difference is that sharks have a much shorter intestine because their food goes through a spiral valve that rotates it multiple times until it's fully digested.

Answer 2

yes! they have intestines just like all fish , that is how they digest their food

Answer 3

becausethere digestive system can be changed by the depths and the system can change the amount offood they eat aday so they can go days without eating anything.

Answer 4

Certainly, sharks have gills that absorb oxygen from sea water and release carbon di oxide. Sharks must keep moving even when sleeping to keep water flowing through their gills.

Answer 5

yes

Answer 6

no

Answer 7

Yes

Answer 8

yes