Mathers, Douglas

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Ears

  • Mathers, Douglas
1991
Explains how your ears function to hear sounds, maintain balance, and measure distances.

Brain

  • Mathers, Douglas
Describes the brain, its parts, and functions, and discusses how it communicates with other parts of the body.

Ears

  • Mathers, Douglas
1992
Explains how your ears function to hear sounds, maintain balance, and measure distances.

Brain

  • Mathers, Douglas
1992
Describes the brain, its parts, and functions, and discusses how it communicates with other parts of the body.
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