16) in addition to protection (physical and chemical barrier), the skin serves other functions. which of
the following is another vital function of the skin?
a) the cells of the epidermis store glucose as glycogen for energy.
b) it aids in the transport of materials throughout the body.
c) it converts modified epidermal cholesterol to a vitamin d precursor important to calcium
metabolism.
d) it absorbs vitamin c so that the skin will not be subject to diseases.

In addition to protection (physical and chemical barrier), the skin serves other functions which is It converts modified epidermal cholesterol to a vitamin D precursor important to calcium metabolism.

Therefore, the correct answer to the question is option C

Explanation:

Skin is the outer covering of the body. The main function of the skin is protection of internal parts of the body. Rather than this it is the site of absorbing the sunlight for the vitamin D.  It is also helpful in the metabolism activities.  

Skin also helps in the cooling of the body as it helps in the evaporation of sweat which result in instant cooling of the body in heated up surroundings.  

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger