Frogs do have lungs but they are small and rarely used, frogs mostly take in moisture through the skin in process called cutaneous gas exchange.
option c is the answer
Explanation:
septum is present between the two ventricles and separates the oxygenated and deoxygenated blood. hence if it gets ruptured then the two blood will mix up. thanks
Nitrogen and Oxygen make up the greatest percentage of the atmosphere.
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The vas deferens are a fibromuscular tube which connect to the epididymis, and is an excretory duct of the testis.
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