Assertion : ''Lymph heart'' is present in frog.
Reason : Lymph in frog is circulated by lymph heart.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

A

Explanation

From the diffused lymphatic system lymph is pumped back into veins by two pairs of lymph hearts. One of which is situated just behind the transverse processes of the third vertebra opening into the sub scapular veins, the second pair of lymph hearts is found on either side at the end of the urostyle. They open into the femoral vein.