The third one. hope this clarifies
<span>factors such as radiation can </span>cause DNA<span> damage, </span>resulting<span> in as many as 1 million ... Many of </span>these<span>lesions </span>cause<span> structural damage to the </span>DNA<span> molecule and</span>normal metabolic activities and environmental
Hi,
During exercise, your body releases heat by :
Dilating blood vessels
( exercising will cause you to dilate blood vessels / potential energy).
