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Card 6

Front

Being able to see distant objects clearly, but not near objects; the eyeball is too short.

Back

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Card 7

Front

Being able to see near objects clearly, but not distant objects; the eyeball is too long.

Back

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Card 8

Front

A change in the environment, such as a temperature change, that you can respond to.

Back

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Card 9

Front

The brain and spinal chord.

Back

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Card 10

Front

Nerves carrying information from sense organs in your body to the central nervous system, and from there to effectors.

Back

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Card 11

Front

A cell or sense organ that detects stimuli.

Back

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Card 12

Front

A cell that carries electrical impulses, sometimes called a nerve cell.

Back

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Card 13

Front

A fast automatic response of the body to a potentially dangerous stimulus, coordinated by the spinal chord.

Back

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Card 14

Front

An action of the body brought about by a stimulus.

Back

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Card 15

Front

A small gap between one neurone and another, or between a neurone and muscle cell.

Back

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