Sports are considered to be the best exercise one can consider in order to keep him fit and healthy. This may lead to avoid certain diseases like cholesterol, diabetes and heart problems. In addition, to these advantages, the sport also help to reduce the weight by burning the body fats and making your muscles lean, which is a major cause of several ailments. The best sports regarding health are soccer, football, cricket , boxing, etc.
Sport participation helps to control weight which is answer B. The others are wrong because sports increases oxygen transport not decreases, boosts your energy, and doesn't control your calorie intake.
Definitely A and D I mean lung cancer is caused by stuff that doesn’t need to be in your lungs, go in your lungs. Then you have difficulty Breathing because of this.