Structure: skin, responsible for protection, temperature regulation, sensation, excretion, and vitamin D production, hair follicles, generate hair, sebaceous glands, produce sebum to keep sin and hair soft, and prevent bacteria from growing on the skin, fingernails and toenails, protect the ends of fingers and toes, sudoriferous glands, produce sweat to aid in cooling of the body, epidermis layer, outermost layer of epithelia tissue, covers the external surface of the body, dermis layer, thick layer beneath the dermis that contains arteries, veins, nerves, subcutaneous layer, loose, connective tissue composed of adipose tissue and lipocytes, Function: protection, temperature regulation, excretion, sensation, vitamin D production, the skin is the body's first defense against illness and injury, prevents exposure from dehydration and UV rays, the skin plays a significant role in the body's ability to maintain and regulate thermodynamics, works by dilating or constricting blood vessels in the body, perspiring aids in cooling the body, but also results in the loss of water and minerals, the skin is loaded with nerve receptors to detect sensations (heat, cold, pain), the body needs vitamin D in order to absorb calcium (for bone strength), vitamin D comes from sun exposure to the skin,

Integumentary System Structure VS Function

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