Final answer:
The basal layer of the epidermis is responsible for new cell growth.
Step-by-step explanation:
In the epidermis, the basal layer, also known as the stratum basale, is responsible for new cell growth. This layer contains stem cells that continuously divide and produce new cells. As the new cells are formed, they move up through the layers of the epidermis, eventually reaching the surface and replacing old cells that are shed.
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