The Entrance and Exit of Air into and Out of the Lungs

question 5

Multiple Choice

The entrance and exit of air into and out of the lungs is called

• A) ventilation.
• B) external respiration.
• C) internal respiration.
• D) cellular respiration.
• E) inspiration.

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Definitions:

Cephalic Vein

A prominent vein in the arm that drains blood from the lateral aspect of the arm and is often used for intravenous injections.

Pulmonary Circulation

The part of the circulatory system that carries deoxygenated blood from the right side of the heart to the lungs and returns oxygenated blood back to the heart.

Right Atrium

The right atrium is one of the four chambers of the heart, responsible for receiving deoxygenated blood from the body through the venae cavae and pumping it into the right ventricle.

Right Ventricle

The chamber within the heart that is responsible for pumping deoxygenated blood to the lungs via the pulmonary artery.