Define the Following Terms

question 21

Short Answer

Define the following terms
-margin of error

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Definitions:

Darting Eyes

Rapid movements of the eyes from one point to another, which can be a sign of nervousness, anxiety, or deceit.

Stage 1 Sleep

The initial phase of the sleep cycle, characterized by light sleep from which a person can be easily awakened.

Respiration

The process by which living organisms exchange gases with their environment, primarily involving the intake of oxygen and the release of carbon dioxide.

Heartbeat

The rhythmic contraction of the heart, pumping blood through the circulatory system to sustain life.