Selecting the Exception Four of the Five Answers Listed Below

question 89

Multiple Choice

Selecting the Exception Four of the five answers listed below are parts of the same body system. Select the exception.

• A) trachea
• B) esophagus
• C) alveoli
• D) bronchiole
• E) glottis

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Definitions:

Myelin Sheath

A protective layer of fatty substance that surrounds the axons of many neurons, enhancing the speed of electrical impulses along the neuron.

Neuron

A neuron, which serves as the foundational unit of the nervous system, crucial for conveying information all over the body.

Absolute Refractory Period

A time during which a neuron is unable to fire another action potential, no matter how strong the incoming stimulus.

Neuron

The basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells.