False
Vigorous exercise should not be a significant challenge, but it should raise your heart rate and make you have to work for it,
Answer:
Social anxiety was first described by Hippocrates as “shyness” in early 400 B.C. People who “love darkness as life” and "thinks every man observes him" fell into this category
Explanation:
Proximal
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So that you're muscles wake and warm up to be ready for what ever your work out is so they won't torn something
