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KEY CONCEPT The integumentary system has many tissues that protect the body.

KEY CONCEPT The integumentary system has many tissues that protect the body. The integumentary system helps maintain homeostasis. The integument is the body system that surrounds all your other organ systems. The integumentary system helps maintain homeostasis.

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KEY CONCEPT The integumentary system has many tissues that protect the body.

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  1. KEY CONCEPT The integumentary system has many tissues that protect the body.

  2. The integumentary system helps maintain homeostasis. • The integument is the body system that surrounds all your other organ systems.

  3. The integumentary system helps maintain homeostasis. • The integumentary system consists of many parts. • skin • hair • nails • oil glands • sweat glands • proteins, such as keratin

  4. pore sweat glands • water • salts • urea • Integumentary system removes substances from the body.

  5. pore epidermis The integumentary system consists of many different tissues. • The outermost layer of the skin is the epidermis. • dead skin cells • oils • pores

  6. Cells in the epidermis produce keratin and melanin. • Keratin makes cells waterproof and tough feeling. • Melanin is a dark pigment that absorbs UV rays.

  7. hair follicle oil gland dermis pressure receptors sweat gland • The dermis contains most of the tissues in the skin. • sweat glands • oil glands • pressure receptors • blood vessels • hair follicles

  8. A hair follicle is pit of cells that produces hair. • The dermis also produces elastin and collagen. • Elastin makes skin flexible. • Collagen gives skin its shape.

  9. fat layer • Beneath the dermis is a layer of fat.

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