1. Tardigrade
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  3. Biology
  4. The atrial wall of our heart secretes a very important peptide hormone called , which because it causes dilation of the blood vessels. Choose the option which correctly fills the blank.

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Q. The atrial wall of our heart secretes a very important peptide hormone called ______, which _____ because it causes dilation of the blood vessels.
Choose the option which correctly fills the blank.

NTA AbhyasNTA Abhyas 2020Excretory Products and their Elimination

Solution:

Atrial natriuretic factor a powerful vasodilator peptide hormone secreted by atrial myocytes cells of atria during increase blood pressure. They work to reduce the water level, sodium and fat level causing dilation of blood vessels and thereby decreasing blood pressure.