Body Fluids and Circulation Question 57
57. Which one of the following animals has two separate circulatory pathways?
(a) Lizard
(b) Whale
(c) Shark
(d) Frog
Show Answer
Answer : b
Hints & Solutions
(b) Whale is a mammal. It has four chambered heart having two atria and two ventricles. Oxygenated and deoxygenated blood flow in separate circulatory pathways.