The ability to move and change direction quickly without losing control of your body would be flexibility.
Also could be because they are actually doing an action the homework so they are able to remember things more. Hope this helps
The chemicals in tobacco harm you blood cells. They also can damage the function of your heart and the structure of your blood vessels. This damage increases your risk of atherosclerosis. Atherosclerosis is a disease in which a waxy substance called plaque builds up in the arteries
Dehydration, kidney damage, vitamin and mineral deficiencies.