Instructions: Please Define the Following Key Terms

question 56

Essay

Instructions: Please define the following key terms. Show Who? What? Where? When? Why Important?
Etruscans

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Definitions:

Right Atrium

The right atrium is one of the four chambers of the heart, receiving deoxygenated blood from the body and passing it to the right ventricle.

Force Exerted

The physical pressure or effort applied to something.

Precapillary Sphincters

Circular muscles located at the entrance of capillaries that regulate blood flow into the capillary beds.

Capillaries

Microscopic blood vessels that facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues.