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14 January, 18:11

1. True or False?

Skin, hair, and nails are all made of keratin.

2. What do sweat glands do?

a. make oils so hair can grow

b. release wastes & heat to keep cool

c. keep warm by releasing hot fluids

3. How are fingerprints formed?

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Answers (1)
  1. 14 January, 18:30
    0
    1. True

    2. When temperature rises, glands secrete water to the skin surface.

    3. A person's fingerprints are formed when they are a tiny developing in their mother's stomach
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