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13.20: Senses

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

auditory canal

Part of the ear where sound waves enter.

auditory nerve

Nerve which carries impulses from the ear to the brain.

balance

The ability to sense and maintain body position.

cochlea

A coiled tube filled with liquid inside the inner ear.

cornea

A clear outer layer that protects the eye.

eardrum

Part of the ear that vibrates in response to sound waves.

hearing

The ability to sense sound waves.

lens

Focuses light on the retina at the back of the eye.

odor receptors

Sends nerve impulses from the nose to the brain.

optic nerve

Nerve which carries impulses from the eye to the brain.

pressure receptors

Sends nerve impulses from the skin to the brain; especially concentrated on the tongue, lips, face, palms of the hands, and soles of the feet.

pupil

Opening in the eye through which light passes.

retina

The part of the eye that contains light receptor cells.

semicircular canals

Canals inside the ear; contain fluid which moves when the head changes position; helps to maintain the body’s balance.

sensory nerves

Neurons that carry nerve impulses to the central nervous system.

sensory receptors

Specialized cells that respond to a particular type of stimulus.

sight

The ability to sense light.

smell

One of the abilities to sense chemicals.

taste

One of the abilities to sense chemicals.

taste buds

Tiny bumps on the tongue; contains taste receptors.

taste receptors

Sends nerve impulses from the taste buds to the brain.

touch

The ability to sense pressure.

vestibular nerve

Nerve which carries the impulses to the brain; responds to the position of fluid within the semicircular canals.

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Difficulty Level:
At Grade

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Date Created:
Feb 24, 2012
Last Modified:
Nov 20, 2016
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