True because someone might make the wrong choice and not be under any drugs or influence
You forgot to apply the nutrients and the food source or food chain
One way in determining your fitness level is trying to do a Full Sprint Run and holding your breath for as long as you can. That way you can determine your cardiovascular capacity and lung capacity. On improving your fitness levels you should do swimming, jogging and of course a balanced diet.
B would be the correct answer
I think the correct answer is Cancer.
Not quite sure, because I only spent 1 year in health school..