col-5 - a dark-skinned races have a lot of melanin 4...

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Definitions Chapter 5 1. Syringomyelia – a degeneration of the central part of the spinal cord where the pain nerves are located i. These ppl experience no pain in their hands 2. lymph nodes – destroy bacteria better than immune system 3. melanin – a pigment in outer skin, protects the underlying tissues simply by shading them
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Unformatted text preview: a. dark-skinned races have a lot of melanin 4. langerhans cells – in the epidermis, are intimately associated w/ nerves that secrete a hormone that blocks their action 5. cataracts – a clouding of the lens in the eye; can be caused by sun damage Definitions Chapter 6 1. d...
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