Hair color due to variation in the ————-

Regarding the effect of aging on the bone, which of the following is correct.

Carotene will be converted into vitamin —–

All the following will decline with aging process except

which of the following features about the apocrine glands is not true

The hair consists of all the following except

Which of the following fibers provide tensile strength of the skin

Conducts stress from one end of the long bone to the other end of the long bone

Which of the following is not a type of lamella

The callused area that results after bone fracture is stronger and thicker than normal bone