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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.
X Y
1. ovary uterus
2. GI tract placenta
3. heart kidney
4 kidney liver

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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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