Frog's heart when taken out of the body continues to beat for sometime.

Select the best option from the following statements:

(i) Frog is a poikilothermic

(ii) Frog does not have any coronary circulation

(iii) Heart is "myogenic" in nature

(iv) Heart is autoexcitableNEET 2017

Question

TestHub · Accepted Answer

Frog or the vertebrates have myogenic heart (auto excitable). In this heart, beat is originated by a group of muscle fibres which is situated in the wall of the heart. So wave of contraction is generated inside the heart.

Zoology - Structural Organisation in Animals Question with Solution | TestHub

Options:

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