Which of the following organisms do not show double circulation?(a) Birds(b) Mammals(c) Crocodiles(d) ReptilesI got this question in a national level competition.My question is based upon Double Circulation in portion Body Fluids and Circulation of Biology – Class 11

Which of the following organisms do not show double circulation?(a) Bi

1.	Which of the following organisms do not show double circulation?(a) Birds(b) Mammals(c) Crocodiles(d) ReptilesI got this question in a national level competition.My question is based upon Double Circulation in portion Body Fluids and Circulation of Biology – Class 11
Answer» Correct choice is (d) Reptiles To explain: In CROCODILES, birds and mammals, oxygenated and deoxygenated BLOOD is received by the left and RIGHT atrium respectively. The ventricles pump it out without any mixing up, i.e., two separate circulatory PATHWAYS, HENCE these animals have double circulation.

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Which of the following organisms do not show double circulation?(a) Birds(b) Mammals(c) Crocodiles(d) ReptilesI got this question in a national level competition.My question is based upon Double Circulation in portion Body Fluids and Circulation of Biology – Class 11

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