Why do we sleep? Flashcards

1
Q

Contrary (adjective)

A

totally different; opposite

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2
Q

Sensation (noun)

A

a feeling with no cause

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3
Q

Trigger (noun)

A

an event or action that causes another action to take place

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4
Q

Internal (adj)

A

located on the inside of a body

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5
Q

Clutter (noun)

A

a messy or overly crowded bunch of things

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6
Q

Cycle (verb)

A

a circle of events that repeats in a regular pattern

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7
Q

Electrical Impulses (noun)

A

in the nervous system, when energy is carried between neurons

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8
Q

Slack (adjective)

A

not tight

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9
Q

Vivid (adjective)

A

calling up clear images

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10
Q

Regulate (verb)

A

to control so that a standard is kept

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11
Q

Emotion (noun)

A

a strong feeling such as joy, hatred, or love

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12
Q

Intense (adjective)

A

strong, as feelings or emotions

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13
Q

Volunteer (noun)

A

a person who offers to work or help without pay

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14
Q

Hormones (noun)

A

A substance made by certain cells in the body that help control body processes like growth.

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15
Q

Immune System (noun)

A

The body’s system of organs, tissues, and cells, that protects the body by discovering and killing disease-causing germs in the body.

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16
Q

Antibodies (noun)

A

A part in a person’s blood that kills germs in order to keep them healthy.