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Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements. A. Frog is a

Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements.

A. Frog is a poikilotherm.

B. Frog does not have any coronary circulation.

C. Heart is "myogenic" in nature.

D. Heart is autoexcitable.

(a) C and D

(b) Only C

(d) A and B

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