Biology · Body Fluids and Circulation
Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): The heart is capable of maintaining rhythmic contractions even when removed from the body. Reason (R): The cardiac activity is intrinsically regulated by specialized nodal tissue. In light of the above statements, choose the correct option:
- 1A is false but R is true
- 2A is true but R is false
- 3Both A and R are true, but R is not the correct explanation of A
- 4Both A and R are true, and R is the correct explanation of A✓
Correct answer
Both A and R are true, and R is the correct explanation of A
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