Social Networking Began with Personal Relationships but Has Since Been

question 169

True/False

Social networking began with personal relationships but has since been applied to business use.

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Definitions:

Precapillary Sphincter

A ring-like muscle at the entrance of capillaries that regulates blood flow into the capillary.

Atrial Natriuretic Hormone

A hormone, secreted by heart's atria, that regulates blood pressure by reducing sodium ion concentration in the blood, thus decreasing blood volume.

Vasopressin

A hormone produced by the pituitary gland that helps regulate water balance in the body and constriction of blood vessels.

Angiotensin II

A peptide hormone that causes blood vessels to constrict, increasing blood pressure.