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Which of the following is responsible for the secretion of ANF?

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in Biology – Class 11 by (272k points)
Which of the following is responsible for the secretion of ANF?

(a) Heart

(b) Brain

(c) Kidneys

(d) Intestine

The question was asked in an international level competition.

Question is from Mechanism of Concentration of the Filtrate topic in chapter Excretory Products and Elimination of Biology – Class 11

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Best answer
Right answer is (a) Heart

For explanation I would say: An increase in blood flow to the atria of the heart can cause the release of Atrial Natriuretic factor or ANF which causes vasodilation and therefore decreases the blood pressure.

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