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Which hormone is secreted by the heart?

(a) MSH

(b) CCK

(c) ANF

(d) PRL

The question was posed to me during an internship interview.

My question comes from Chemical Control and Coordination topic in section Chemical Control and Coordination of Biology – Class 11

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Correct answer is (c) ANF

To elaborate: ANF or atrial natriuretic factor is secreted by the heart. It is secreted by the walls of the atria. PRL is secreted by the anterior pituitary gland, MSH by the pars intermedia and CCK by the GI tract.

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