Q.
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) Only (c)
B) Only (d)
C) (a) and (b)
D) (c) and (d)
Explanation
[Solution] The heart is myogenic and autoexcitable, generating its own impulses. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.