Q.

Relaxin is secreted by the ____X____ and it acts on  the ___Y____. Identify the correct set of X and Y from the table given below.

 XY
1.ovaryuterus
2.GI tractplacenta
3.heartkidney
4kidneyliver

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a

2

b

1

c

3

d

4

answer is A.

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Detailed Solution

In the later phase of pregnancy, a hormone called relaxin is secreted by the ovary. It relaxes the ligaments in the pelvis and softens and widens the cervix preparing the maternal body for the childbirth.

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