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| What is the largest organ in your body? |
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| organ system that covers and protects the body; main organ of the integumentary system |
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| Epithelial, Connective, Muscular, and Nervous |
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| The Integ. System is composed of 4 types of body tissues. What are they? |
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| outer layer that covers surfaces of the body |
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| consists of tough and flexible protein fibers that provide support |
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| involved in body movement |
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| detects external stimuli, such as pain or pressure |
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| Two principle layers of body tissues |
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| outer layer of skin; thin epitheilial layer of dead cells; contains keratin & melanin, and performs mitosis evry 4 weeks |
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| inner laye of skin; connective tissue that provide elasticity and prevents skin from tearing |
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| protein in epidermis that protects cells underneath from bacteria, heat and chemicals |
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| pigment that colors the skin and helps protect body cells from damage by UV rays |
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| contain keratin and develop from epithelial cells |
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| function of Integ. system; regulating body temp |
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| function of Integ. system; glands in the dermis produce sweat in response to increas in body temp |
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| function of Integ. system; nerve cell in the dermis |
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| function of Integ. system; skin cells produce this when exposed to UV light |
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| function of Integ. system; shields body from microbes, physical and chemical damage such as UV radiation that can give skin cancer |
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| mild injury in the epidermis (like a scrape), cells divide to fill the gap |
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