An increase of muscular strength and endurance betters an athletes performance in anything because it sharpens the mind to. It takes perseverance and patience to improve the body which be be perfect in games of high concentration and silence like golf, or games of quick thinking and strategy, like tennis.
The correct answer is b, phagocytosis and infection
A little, yes. Adults and teens could be using tobacco because they are depressed, or they just want to try it out. They might differ for some reasons, they might use tobacco cause they like it or some are forced to use it. They might use it cause they think it would help with problems or they might use it to try to forget problems. This is just what I think.
