Consider the following statements: A – The SA node is located in the upper right corner of the left atrium. B – The bicuspid valve guards the opening between the right atrium and right ventricle. C – The duration of a cardiac cycle is approximately 0.8 seconds.
- AAll are correct
- BOnly A is incorrect
- CA & B are correct
- DA & B are incorrect
✓ Correct answer: D
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