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

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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.