• Subject:


  • Topic:


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 poikilotherm.

II. Frog does not have any coronary circulation.

III. Heart is "myogenic" in nature.

IV. Heart is autoexcitable.

(1) Only III

(2) Only IV

(3) I and II

(4) III and IV