A) separation of pure and impure blood
B) to give mechanical strength to the ventricle
C) increasing the inner surface area of ventricle
D) to detect blood pressure
Correct Answer: C
Solution :
In frog the ventrical has thick, muscular and spongy wall. Its inner surface has irregular strands or ridges called trabeculae. According to modern theory proposed by Foxan and Vandervael the function of trabeculae of the ventricle is to help in creasing the inner surface area of ventricle.
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