Answer:
D
Explanation:
A and b are basically the same thing and when overtraining you might feel sick
Answer: Because some of the teens are always on their electronics and are too lazy to exercise.
They both exercise the body, and keep it moving. Both of them help you with weight loss and keep the body active.
Skeletal and Muscular:
The muscles help move the bones when you need to move your arm to do something like writing something down or raising your hand.
Skeletal and Nervous:
<span>Sensory receptors in joints between bones send signals about body position to the brain.
Muscular and Nervous:
</span><span>Receptors in muscles provide the brain with information about body position and movement.</span>