cell organisation

    Cards (9)

    • specialised cells carry out particular functions
    • the process by which cells become specialised for a particular job is called differentiation. differentiation occurs during development of multicellular organisms
    • specialised cells form tissues, which form organs, which form organ systems.
    • tissue - group of similar cells that work together to perform the same function
    • large multicellular organisms have different systems inside them for exchanging and transporting materials
    • in mammals what are some examples of tissues?
      • muscular tissue which contracts to move whatever it is attached to
      • glandular tissue, which makes and secretes chemicals like enzymes and hormones
      • epithelial tissue, which covers some parts of the body
    • an organ is a group of different tissues that work together to perform a certain function
    • organ system is a collection of organs working together to carry out a specific task
    • examples of organ systems include respiratory system (lungs), digestive system (stomach) and circulatory system (heart)