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:
- The frog’s heart continues to beat outside the body because it is myogenic in nature, meaning the heartbeat is initiated by the heart muscle itself rather than by external nerves. Additionally, the heart is autoexcitable, meaning it can generate its own rhythmic contractions without external stimuli.
BETA
