Life Processes · Class 10 · CBSE Science
Which components of the human circulatory system are responsible for preventing the backflow of blood inside the heart and veins respectively?
Practice question from Life Processes (Class 10 · CBSE Science), with the correct answer and a step-by-step solution.
hard · MCQ · Q-DD0824
Which components of the human circulatory system are responsible for preventing the backflow of blood inside the heart and veins respectively?
- A.Ventricles and capillaries
- B.Valves in both the heart and veinsCorrect answer
- C.Atria and arteries
- D.Septum and lymph vessels
Solution
Valves are muscular flaps present inside the heart chambers (between atria and ventricles) and inside veins that ensure blood flows only in one direction, preventing any backward flow.
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