Answer:
Answer is free radical.
Step-by-step explanation:
The free radical is known to be a product resulting from the metabolism of oxygen, that is , they are formed when oxygen splits into single atom. The free radical causes serious damage to the body , this process is known as the oxidative stress.
Note that , the activity of the free radical is that they seek out other electron to becoming a pair, and this is dangerous to the body.
The body can make use of the antioxidants to counter the oxidative stress.