What Is Called the "Functional Unit of the Lungs

question 62

Multiple Choice

What is called the "functional unit of the lungs"?

• A) Only the alveoli
• B) Acinus
• C) Alveolar-capillary membranes
• D) Terminal bronchioles

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Definitions:

Thoracolumbar Division

A region of the spine made up of the thoracic and lumbar vertebrae, often referred to in studies relating to spinal injuries or abnormalities.

Sympathetic

Refers to the part of the autonomic nervous system that prepares the body for rapid response to stress or danger.

Parasympathetic

Part of the autonomic nervous system responsible for the body's rest and digest response, regulating internal organs and glands.

Craniosacral Division

Parasympathetic division of the autonomic nervous system.