Question

Four chambered heart is necessary because

a) it helps in easy movement of blood

b) it increases the surface area for binding of oxygen and blood

c) it prevents in mixing of oxygenated and deoxygenated blood

d) it helps in mixing of oxygenated and deoxygenated blood
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Answer 1

Answer:

c is correct............

Answer 2

Answer:

c) It prevents in mixing of oxygenated and deoxygenated blood

Explanation:

Hope it helps you...