notes 2 - Types of Membrane Synovial Membrane- lines joint...

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Types of Membrane Synovial Membrane - lines joint cavities skin as an organ - How much does it weigh? 6-10 lbs, 3ft x 7ft - How deep is skin deep? 1mm long palm of palm, sole of feet - What does skin do? Produce vitamin D, protect against UV rays Functions: - protective covering -aids in regulating body temp. - retards water loss - houses sensory receptors I. Epidermis - outer layer of skin - composed of dead epidermal cells - Functions: protection Dermis : layer that binds the epidermis to the underlying tissue. Live cells : accessory organ – hair follicles, sebaceous glands a grow an inch of hair & skin soft - keeps hair soft Nail: Homeostasis : dynamic steady state - essential for cell survival - body makes small changes in homeostasis Homeostasis Regulation : is the presence of stable environment w/in the body Skin Problem Disorder 1. Itching 2. Acne- inflame the sebaceous gland
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notes 2 - Types of Membrane Synovial Membrane- lines joint...

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