Question

What is the function of atrial natriuretic factor?

Answer 1

Atrial Natriuretic Factor:

1. The atrial natriuretic factor is secreted by the atria of the heart in response to an increase in blood flow.
2. It decreases blood pressure by causing vasodilation.
3. It antagonizes the renin-angiotensin mechanism and increases the excretion of ${\mathrm{Na}}^{+}$from kidneys.
4. It inhibits the synthesis of aldosterone.