![Frogs heart when taken out of the body continues to beat for some time. Select the best option from the following statement.](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Frogs-heart-when-taken-out-of-the-body-continues-to-beat-for-some-time.-Select-the-best-option-from-the-following-statement.jpg)
Frogs heart when taken out of the body continues to beat for some time. Select the best option from the following statement.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is ‘myogenic’ in nature.
(d) Heart is autoexcitable.
Option 1 : Only (c)
Option 2 : Only (d)
Option 3 : (a) and (b)
Option 4 : (c) and (d)