• 2022-06-11
    Membranous epithelium covers and lines all the external surfaces of the human body.
    A: TRUE
    B: FALSE
  • A

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    • 0

      Vitamins neither participate in the formation of human cells nor provide energy, and the human body requires a small amount, but it has a great effect on the human body.()

    • 1

      (True/False) Human behavior is determined by genes.

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