Question

Assertion- There is no mixing of oxygenated and deoxygenated blood in the human heart. Reason- Valves are present in the heart which allows the movement of blood in one direction only​

Answer 1

Explanation:

There is no mixing ofdeoxygenated andoxygenated blood in human heart due to the presence of inter-atrial and inter-ventricular septum. The two atria are separated from the ventricles by menbranous valves. They allow the flow of blood from atria to ventricles and notin the backward direction.

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Answer 2

Answer:

assertion is right. reason is wrong..

Explanation:

assertion right..