Why do fishes have two chambered heart and reptiles have three chambered heart?
Answers
Answer:
Explanation:
→ In this way fishes have two chambered heart and reptiles have three chambered heart. The blood is pumped from a three-chambered heart with two atria and a single ventricle. (c) Reptiles also have two circulatory routes; however, blood is only oxygenated through the lungs. ... Fish have a single circuit for blood flow and a two-chambered heart that has only a single atrium and a single ventricle.
Answer:
Explanation:
This unidirectional flow of blood produces a gradient of oxygenated to deoxygenated blood around the fish's systemic circuit. ... The blood is pumped from a three-chambered heart with two atria and a single ventricle. (c) Reptiles also have two circulatory routes; however, blood is only oxygenated through the lungs.