A Normal, Relaxed Inhalation Carries About______ of the Inhaled Air

question 63

Multiple Choice

A normal, relaxed inhalation carries about______ of the inhaled air to the olfactory organs.

• A) 50 percent
• B) 35 percent
• C) 2 percent
• D) 8 percent
• E) 10 percent

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Definitions:

Sodium-Potassium Pumps

Membrane proteins that pump sodium ions out of cells and potassium ions into cells, playing a key role in maintaining cell potential.

Potassium Ions

Essential ions for various physiological processes, including nerve transmission and muscle contraction, and maintaining fluid and electrolyte balance.

Sodium Ions

Positively charged atoms of sodium, crucial for nerve impulse transmission and fluid balance in the body.

Trigger Zone

The region of a neuron where an action potential is initially generated, typically located at the axon hillock.