Question

The most inner layer of the skin is the _________ while the outer layer is the _________

A) cutaneous, keratin.

B) dermis, sebum.

C) mucous, epidermis.

D) dermis, epidermis.

E) sebum, keratin.

Answer 1

Subcutaneous is the bottom layer of skin which contains fat. Sebum is oliy,filmy and sticky secreation of sebaceous glands.

Keratinis the protein which is present in hairs. The outer layer of skin epidermis and inner layer of skin is dermis.

Outer part is composed of stratified layers of flattened cells. Dermis is thick and fibrous and elastic tissue and gives the skin its flexibility and strength. Dermis also contains nerve endings, sweat glands and oil glands.

Hence option (D) is correct.