Question

complete the following sentence(s) by filling in the blanks to correctly describe the cells found in the epidermis. 1. the basal cells of the stratum basale lie just superficial to the dermis. here, epidermal ____ cells constantly __ and produce new cells that are pushed to the surface of the epidermis in two to four weeks. 2. because these cells are not being supplied with nutrients and __, they eventually die and are sloughed off. 3. keratinocytes produce and store a thick, waterproof protein called __ that forms a ____ between the outer environment and the body

Explanation:

1. In the stratum basale, epidermal stem cells divide to produce new cells.
2. Cells in the epidermis that move away from the nutrient - rich dermis lack oxygen and nutrients and die.
3. Keratinocytes produce keratin which forms a barrier.

Answer:

1. stem; divide
2. oxygen
3. keratin; barrier