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    Cards (8)

    • The first settlers were the San people, who lived as hunter-gatherers.
    • Specialized animal cells

      Cells that have adaptations which help them to carry out a particular function
    • Differentiation
      When cells become specialized
    • Sperm cells
      • Long tail to swim to ovum
      • Packed with mitochondria to provide energy for swimming
      • Contain enzymes to digest outer layer of ovum
    • Fertilization
      The process where the genetic information of the ovum and sperm combine
    • Nerve cells

      • Long axon to transmit electrical impulses
      • Axon covered in myelin to insulate and speed up transmission
      • Dendrites to increase surface area for connections
    • Muscle cells

      • Contain protein fibers that can contract to shorten the cell
      • Packed with mitochondria to provide energy for contraction
    • Muscle cells work together to form muscle tissue
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