The statements below show some events in the cardiac cycle, but they are not arranged in the right sequence. Which statement describes the third event to happen in the cardiac cycle?
- A1
- B3
- C4
- D7
Biology 9700 · AS & A Level · The heart
The statements below show some events in the cardiac cycle, but they are not arranged in the right sequence. Which statement describes the third event to happen in the cardiac cycle?