Which Two Phases Make Up Normal Sleep

question 3

Multiple Choice

Which two phases make up normal sleep?

• A) Hypnagogic and hypnopompic
• B) Rapid eye movement (REM)and non REM
• C) Alpha and beta
• D) Delta and theta

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Definitions:

Deuterostomes

A major division of the animal kingdom in which the anus develops from the first opening in the embryo, followed by the mouth.

Echinoderms

Marine animals characterized by radial symmetry and a unique water vascular system, which includes species such as sea stars, sea urchins, and sea cucumbers.

Embryonic Stages

Phases of development that an embryo goes through from fertilization to birth.

Ardipithecus Ramidus

An early hominin species known for its bipedal locomotion, contributing to our understanding of human evolution.