Answer:
I think it's B because practicing health-enhancing behaviours means that you are managing yourself to adopt these types of behaviours and you are also managing yourself from getting influenced negatively. So yeah...
Emphysema, Lung Cancer, Cystic Fibrosis, etc.
C can be trauma from a large or small fall and it could also be used to describe a car accident b a heart attack could be life threatening and can cause death if not caught in time
Warming up is important because you need to "warm up" your core and muscles and gets the blood flowing in preparation of a strenuous workout. It also helps prevent the risk of injury.
Stretching, walking, jogging, arm circles, lunges, squats and jumping jacks are good choices to include in a warm up