Ventilation Refers to the

question 113

Multiple Choice

Ventilation refers to the

• A) movement of air into and out of the lungs.
• B) gas exchange between the blood and the tissues.
• C) transportation of oxygen and carbon dioxide in the blood.
• D) gas exchange between the air in the lungs and the blood.
• E) respiration at the cellular level.

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Definitions:

Action Potentials

Rapid changes in the membrane potential that briefly reverse the polarity of a neuron or muscle cell, allowing for signal transmission.

Electrodes

Conductor through which an electric current enters or leaves in a medium, whether it be a gaseous, liquid, or solid substance.

Impulse

In physics, the product of force and the time over which it is applied, resulting in a change in momentum.

Isotonic Contraction

A type of muscle contraction in which the muscle changes length while the tension within the muscle remains the same, resulting in movement.