• 2022-05-29
    中国大学MOOC: The basal layer also contains special cells called_______, which produce black pigment that gives color to the skin.
  • melanocytes

    内容

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      基底层细胞不断生长、增殖,形成所有其他表皮细胞。 A: The cells of basal layer keepgrowing and multiplying and formall the other epidermis cells. B: The cells in the basal layer are constantly growing and multiplying and give rise to all the other cells in the epidermis.

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      The iron-containing pigment in red blood cells that carries oxygen is called

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      中国大学MOOC: From daylight, our bodies absorb vitamin D through the skin. Certain skin diseases also (2) from exposure to sunlight.

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      中国大学MOOC: Which color was called Xuan in ancient times?

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      中国大学MOOC: Which river is also called “the cradle of Chinese civilization”?