A Living Organism Must Maintain Each Internal Condition (E

question 71

True/False

A living organism must maintain each internal condition (e.g.,body temperature)to a fixed set point.

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Definitions:

Larynx

The voice box; a structure in the throat containing the vocal cords, responsible for producing sound and protecting the airway during swallowing.

Cardiac Sphincter

A muscular valve located between the esophagus and the stomach, preventing acid reflux from the stomach back into the esophagus.

Pyloric Sphincter

Thickening of the circular layer of the gastric musculature encircling the junction between the stomach and duodenum; also called pylorus.

Hydrochloric Acid

A strong acid secreted by the stomach lining that helps in digestion by breaking down food and killing bacteria.