Answer: physical dependence and tolerance.
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Answer:
Explanation:
Starting with the ovaries ,it produces and release eggs into the Fallopian tubes where it waiting to make its way to the sperm , if the eggs are not fertilized by the sperm , the lining of the uterus that is there to prepare itself for a fertilized egg will shed (due to lack of pregnancy ) causing menstruation.
i think it's true try this .
It can help strengthen your muscles and body but at the same time you loose energy and can not continue for a long amount of time .