Principles of organisation

• Principles of Organisation

  • Smallest to largest=
  • organism
  • organ system
  • organ
  • tissue
  • cell
• Organism


  A group of organ systems working together
• Organ system


  A group of organs working together to perform a specific function
• Organ


  A group of tissues working together to perform a specific function
• Tissue


  A group of similar cells with a similar structure and function
• Cell


  The smallest structural and functional unit of an organism