Final answer:
The dermis, which is located beneath the epidermis, has its own blood supply. This layer contains numerous structures, including blood vessels, nerves, and hair follicles that are necessary for skin functions like sensation and thermoregulation.
Step-by-step explanation:
Yes, the dermis does have its own blood supply. The dermis is situated below the epidermis and is a much thicker layer composed of connective tissue.
This layer of skin contains not only blood vessels but also nerves, sweat glands, hair follicles, lymph vessels, and other structures such as sebaceous glands. These elements are necessary for the dermis to fulfill its functions, which include sensation, thermoregulation, and serving as a barrier that supports the epidermis. Specifically, structures such as the hair follicles are accompanied by a bed of capillaries that provides the necessary blood flow for the nourishment and growth of hair.