Question

skin:keratin::blood:?

Answer 1

blood : hemoglobin , antibodies.

Answer 2

In the human body, Keratinocytes forms keratin, which is a kind of protein that contribute skin its strength and flexibility and to make the skin surface waterproof.

As new cells are produced out of older cells, older is pushed toward the surface of the skin.

The epidermis does not get a supply of blood.

Nutrients that feed these cells come out of the dermis.

A symptom Keratosis pilaris results from the build-up of keratin — a hard protein that resists harmful effects on the skin as well as infection.

The keratin produce a scaly plug that blocks the opening of the hair follicle.