voluntary movement, perception, homeostasis and cognition (abstract functions)
To keep from losing gains in fitness, it is necessary to maintain intensity levels. True.
Not two people are the same way. Some people have different bone densities then others. Some people's bodies react to differently with food and exercise
Brain Trauma, Concussion, Coma the list continues
An infection is a disease caught by a person or people that could make someone or something sick. It can be cured or repelled with a special medication.