NOT A QUESTION
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Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.

Which is not an effect of aging? secondary sex characteristics appear bones shrink and become more brittle skin becomes drier and less elastic hearing and vision become less sharp

The time elapsed between stimulation and the beginning of reaction is known as: a) coordinationb) balancec) agility d) reaction time