Why Does the Upper Third of the Esophagus Have Skeletal

question 144

Multiple Choice

Why does the upper third of the esophagus have skeletal muscle in its wall?

• A)so you do not choke
• B)the first phase of swallowing is voluntary
• C)so that peristalsis can occur
• D)the first phase of swallowing is involuntary

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Definitions:

Skinner's Operant

A theory developed by B.F. Skinner that describes how behaviors are influenced by consequences, emphasizing reinforcement and punishment in shaping behavior.

Basal Ganglia

Subcortical forebrain nuclei that coordinate voluntary movements of the limbs and body; connected to the thalamus and to the midbrain.

Sensory Cortex

The region of the brain responsible for processing sensory information received from the body, including sight, sound, touch, taste, and smell.