When the Diaphragm and the Intercostal Muscles Relax

question 25

Multiple Choice

When the diaphragm and the intercostal muscles relax,

• A) air moves out of the lungs.
• B) inhalation occurs.
• C) ventilation ceases.
• D) chest volume increases.

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Definitions:

Dreaming

The experience of envisioned images, sounds, or other sensations during sleep, often narrative in nature and involving elements from waking life.

Muscles

Tissues in the body that have the ability to contract, enabling movement of different parts of the body.

Sigmund Freud

An Austrian neurologist known as the founding father of psychoanalysis, a method for treating psychopathology.

Unconscious

A part of the mind that is inaccessible to the conscious mind but that affects behaviors and emotions.