What is the purpose of the second aorta in alligators and crocodiles? What would happen if they simply shut off the pulmonary artery without having the left aorta? Choos the best answer the left aorta helps increase the blood supply to their digestive system   All vertebrates have two aortas, only the left aorta is usually called the pulmonary vein   The left aorta ensures uninterrupted circulation when the pulmonary artery is closed

Q: estion 15 I In an open circulatory system O circulating fluid is distinct from interstitial fluid. O…

A: There are two types of circulatory system are present; Open circulatory system: in this blood flows…

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A: The blood pumped by the ventricles of the heart per minute is called cardiac output. Normal cardiac…

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Q: How do arteries differ from veins?     Arteries have thicker smooth muscle layers to accommodate…

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A: The function of valves in the circulatory system is to ensure that the blood flows in a single…

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A: All the choices are correct.

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A: Ans- d

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A:

Q: Which heart do you think is most efficient at delivering oxygen rich blood to the tissues? O 3…

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