Release of ______ into the atmosphere is the primary cause of the depletion of the ozone layer.

A. chlorofluorocarbons
B. fluorine
C. PCBs
D. ethanol


A. chlorofluorocarbons

Health & Biomechanics

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A medical term that literally translates to hard skin is ________.

Fill in the blank(s) with the appropriate word(s).

Health & Biomechanics

A physician who specializes in the medical specialty of ________ treats the eyes

Fill in the blank(s) with correct word

Health & Biomechanics

Exocrine glands secrete into ________.

Fill in the blank(s) with the appropriate word(s).

Health & Biomechanics

Stretching prior to exercise has been scientifically proven to reduce the incidence of exercise-induced injury.

Answer the following statement true (T) or false (F)

Health & Biomechanics