C the pupil its actually a muscle which is pretty interesting i think
Dermatology = Study of the skin.
There are many skin surgeries but the basic name I believe is dermoplasty or dermatoplasty.
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noun. Also called aerobic exercises. (used with a plural verb) any of various sustained exercises, as jogging, rowing, swimming, or cycling, that stimulate and strengthen the heart and lungs, thereby improving the body's utilization of oxygen
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