The endocrine system is one the system in the human body that regulates all the hormones which aids in the normal functioning of the other systems. Therefore, the major functions of the endocrine system include metabolism, and puberty body. Hope this answers your question.
I believe the answer is A. 68
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Answer:
60 minutes
Explanation:
Teens need 60 mins (1hr) of physical activity everyday. That is a known fact.