The Boldest Line on a Drawing Is the __________ Line

question 2

Short Answer

The boldest line on a drawing is the __________ line.

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Definitions:

Right Atrium

The upper right chamber of the heart that receives deoxygenated blood from the body and pumps it into the right ventricle.

Vena Cava

A large vein carrying deoxygenated blood into the heart, with two principales types: the superior and the inferior vena cava.

Nutrients And Gases

Essential substances and elements required by the body for growth, energy, and cellular respiration.

Capillaries

Tiny blood vessels connecting arterioles and venules, facilitating the exchange of water, oxygen, carbon dioxide, and other nutrients and waste substances between blood and tissues.