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Integumentary System

QuestionAnswer
melanocyte produce melanin
melanin dark brown pigment that protects the skin from uv rays
keratin major protein found in hair and nails
sebaceous glands produce an oily substance called sebum that helps keep the dermis flexible and waterproof
hair follicles tubelike pockets of epidermal cells that extend into the dermis; at the base, cells form hair
What are the 3 components of the integumentary system? skin, hair and nails
What are they made of? skin: epidermis, dermis and fat hair & nails: keratin
What are the structures found inside the skin? sebaceous gland, sweat gland, hair follicle, hair shaft, artery, vein
epidermis - the inner layer has cells that grow rapidly and push the older cells up to the surface - melanocytes, hair shaft, pores
demis -contains collagen, blood vessels, nerve endings, glands, sensory receptors, smooth muscles and hair follicles - sweat glands, sebaceous glands
What is the function of the integumentary system? How does it relate to homeostasis? -protects us against infection and injury, regulate body temperature, removes waste, gathers info and produces vitamin D - the skin removes excess heat through sweat and the hair helps prevent heat loss from the head
How do you get skin cancer? What are the different types? -uncontrollable cell growth - benign, squamous, melanoma
What other system does the integumentary system work with other systems to maintain homeostasis? -muscular system: muslces help create spasms beneath our skin to shiver and cause goosebumps when we are cold - circulatory: in the dermis is arteries and veins which help transport blood to and from the heart
Created by: ninjabunny0
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