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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.

Monjur Alahi

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 Options:

(1) Only (d)

(2) (a) and (b)

(3) (c) and (d)

(4) Only (c)


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1 Answers

Salim Ahmed Kawsar

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The correct answer is (3)

The vertebrates process myogenic heart which is self contractile system or autoexcitable; it will thus keep working outside the body for some time.

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