Q. Which one of the following animals has two separate circulatory pathways ?
A) Shark
B) Frog
C) Lizard
D) Whale
Explanation
[Solution] Mammals such as the whale have a four-chambered heart with complete separation of pulmonary and systemic circulation. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.