Role of heart valves includes: I. Preventing backflow of blood from ventricles to atria…
Biology · NEET · NTA Exams — Body Fluids and Circulation
Role of heart valves includes:
I. Preventing backflow of blood from ventricles to atria
II. Regulating heart rate
III. Separating oxygenated and deoxygenated blood
IV. Ensuring unidirectional blood flow
V. Producing heart sounds when closing
Choose the correct option:
- I, II and III only
- I, IV and V only
- II, III and V only
- III, IV and V only
Answer
(B) I, IV and V only
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