NEET Solved Paper 2017 Question 35

Question: Frog’s heart when taken out of the body continues to beat for some time 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:

A) [c] & [d]

B) Only [c]

C) Only [d]

D) [a] & [b]

Show Answer

Answer:

Correct Answer: A

Solution:

  • Frog or the vertebrates have myogenic heart having self-contractile system or are auto excitable; because of this condition, it will keep on working outside the body for some time.