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The ovary ________.

The ________ produce(s) a secretion that contains fibrinolysin (an enzyme to liquefy semen clots) and seminalplasmin (an antibiotic).

Which of the following is an immunosuppressive hormone that is secreted in response to stress?

The uterus ________.

Melatonin ________.

Which enzyme cleaves phosphatidylinositol 4,5-bisphosphate (PIP2) into diacylglycerol (DAG) and inositol trisphosphate (IP3)?

________ binds to intracellular calcium release channels and releases calcium from intracellular stores.

Which hormone does NOT increase blood volume and/or blood pressure?

PTH is classified as a(n) ________ and binds to ________ receptors.

Renin is produced by the ________.