As an energy source, To heal and build and repair tissue, To sustain growth, To help transport oxygen to the cells, To regulate body functions. hope this helped :)
Answer:
Both A and B, because if you have bad posture you will have weaker bones which can make you get hurt easier plus weaker bones will not be safe especially if you got in a car wreck.
I believe it was established by the department of health and human services (DHHS)
<h3>I hope it is helpful for you .....</h3>
True (i had to add this because my answer was too short sorry)
