the answer is C. distinguish himself from radicals.
The Kidneys removes excess water, salts, uric acids, and chemicals from the blood.<span />
It will ruin your body system and it will make some things omn you
To complete the thought of the sentence, the word that will fit that blank is "enzymes". Vitamins work with enzymes to initiate chemical reactions within cells. Some enzymes in our body needs other components like vitamins to enable reactions to happen.
Depends on weight of the bones, and how big their body is.