Arteries adjust the amount of blood flowing to different parts of the body, depending on where blood is needed. use this fact to explain why you should not exercise vigorously shortly after you eat.

When you eat, blood needs to be funneled to your stomach and intestines, and these arteries are widened. To exercise, more blood needs to be funneled to the area used in exercise, instead of to the stomach. Thus food will not get digested properly because the blood flow is moving toward the area utilized in exercise.

Can ppl. develop self esteem, decision making..

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.