What is the function of the layer of dead keratinocytes on the top of the epidermis?

Explanation:

1. Keratinocytes are maintained at various stages of differentiation in the epidermis.

2. Keratinocytes  are responsible for forming tight junctions with the nerves of the skin.

3. The outer layer of skin, the epidermis containing keratinocytes, which provides waterproofing and serves as a barrier to infection.  

4. It is barrier to foreign particles and provide physical strength.  

5. It helps in innate immune system.

what's the

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.