The answer is b macronutrients
A.
The endurance of an athlete is dependent on his or her body's ability to uptake oxygen efficiently, a task carried out by the red blood cells.
Answer:
True
Explanation:
The smooth muscles help (or aid) to control the movement of internal organs to control contractions of the heart to move bones
They will need to go to the hospital and get a check up and check there whole body to see if they broke a bone