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Which of the Following Media Is Based on Line of Sight

question 17

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Which of the following media is based on line of sight?


Definitions:

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure.

Crepitation

the grating, crackling or popping sounds and sensations experienced under the skin and joints or a crackling sensation due to the presence of air in the subcutaneous tissue.

Bone Spur

A bony growth formed on normal bone, often due to aging or as a response to friction or pressure.

Fluid

A substance that has no fixed shape and yields easily to external pressure; can be a gas or a liquid.

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