although sleeping can recharge your body, over-sleeping can leave you tired due to excess time that your brain goes through sleep patterns.
it is not bad to have naps, but sleeping for say 17 hours at a time can result in more fatigue depending on how tired you were before.
Answer:
False
Explanation:
During exercise, the oxygen DOES NOT concentration in the blood increases to twice that of resting levels.
Brain is a structure composed of different kinds of tissue. It is called an Organ.
learn more about Organ here: brainly.com/question/545314
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