Dreaming Appears to Occur Most Commonly During

question 153

Multiple Choice

Dreaming appears to occur most commonly during

• A) REM sleep.
• B) delta sleep.
• C) initial stage 1 EEG.
• D) periods during which muscle tension in core muscles is high.
• E) all of the above

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Definitions:

Enamel

The hard, protective outer layer of the tooth, made primarily of minerals and the hardest material in the human body.

Cementum

A specialized calcified substance covering the root of a tooth.

Crown

The part of a tooth that is visible above the gum line, or the top portion of a dental implant that replaces the natural tooth.

Mesenteries

Folds of peritoneum that attach the intestines to the posterior abdominal wall, providing support and housing blood vessels, nerves, and lymphatic vessels.