Cell organisation

• Large Multicellular Organisms


  • differentiation is when a cell becomes specialised. Form tissues, organs and then organ systems.
• Tissues


  Groups of cells that work together to carry out a particular function
• Examples of tissues

  • Muscular - contracts to move
  • glandular- secretes hormones
• Organs


  A group of different tissues that work together to perform a certain function
• Organ Systems


  Groups of organs working together to perform a particular function
• Examples of organ systems

  • Digestive
  • Circulatory
  • Respiratory
• Organ systems work together to make entire organisms
• An organism consists of organ systems, which are groups of organs, which are made of tissues, which are groups of cells working together