The brain stem controls the flow of messages to the brain and body. It is also important for basic body functions like breathing, heart rate, blood pressure, etc;
Answer:
After about age 40 to 50, the body starts to break down bone mass faster than it builds it.
Explanation:
This is part of the natural aging process. Both men and women experience bone loss with age.
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C. Puberty
Thats the answer
BMI=17.6 underweight BMI