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NEET · Biology · STD 11 - 15. Body fluids and criculations
Which one of the following animals has two separate circulatory pathways?
- A Whale
- B Shark
- C Frog
- D Lizard
Answer & Solution
Correct Answer
(A) Whale
Step-by-step Solution
Detailed explanation
(a) : Whale is a mammal and in mammals, two separate circulatory pathways are found — systemic circulation and pulmonary circulation. Oxygenated and deoxygenated bloods received by the left and right atria respectively pass on to the left and right ventricles. Thus, oxygenated and deoxygenated bloods are not mixed. This is referred to as double circulation.
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