Glossary

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Subject:

the destruction of the enamel of a tooth owing to the action of bacteria that live in plaque....

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a state of inactivity.

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the maximum amount of air the lungs can hold.

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the windpipe or tube that carries air. It is kept open by C-shaped rings of cartilage.

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elongated cells in the xylem of vascular plants that transport water and mineral salts.

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