Which of the following layers considered as the subcutaneous layer

Regarding the aging effect on the skeletal system in women, which of the following is correct

The reticular layer of dermis consists of all the following except

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