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Biology A level
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Section 3: Organism exchange with their environment
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7.5 The cardiac cycle
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Question:
Semi-lunar valves (SL)
Author:
Eva K 3sq0
2 years ago
Answer:
- Link ventricles + pulmonary artery + aorta (depends) - Prevents backflow of blood from the aorta or pulmonary artery into the ventricles
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Author
Eva K 3sq0