What does vitamin d do for the body?
a. it transports oxygen to the muscles.
b. it converts glucose into energy.
c. it controls the way your body uses calcium.
d. it effectively rehydrates the system.

Option (c) is the correct answer.

Explanation:

Vitamin D is very essential for bones of human body as it helps in the absorption of calcium and phosphate from food and supplements consumed by us.

When a person suffers from deficiency of vitamin D then the person may have symptoms like weak, soft, and thin bones which might lead to a disease called rickets in children. In adults, deficiency of vitamin D can lead to osteomalacia.

Food rich in vitamin D can lead to strong teeth, bones and muscles.

Therefore, we can conclude that out of the given options, for the body Vitamin D controls the way your body uses calcium.