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The sense of balance

The sense of balance

The position and acceleration of the head is detected by the inner ear.



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Kõrv ja kuulmine

Kuulmiselund muundab õhuvõnked närviimpulssideks, mida seejärel ajus töödeldakse.

The human eye

The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.

Nervous system

The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.

The mechanism of vision

The curvature of the lens of the eye changes when we look at a distant or at a near object, to ensure a sharp image.

The sense organs

Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.

Vision correction

Concave and convex lenses are used for the correction of short-sightedness and far-sightedness.

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