Assertion (A): During joint diastole, all four chambers of the heart are relaxed. Reason (R): Blood flows from the atria to the ventricles during this phase.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: A
Want the full step-by-step reasoning?