LEVEL OF ORGANISATION

• Levels of organisation

  organelle -> cell -> tissue -> organ -> organ system -> organism
• Organelle

  A specialised sub-cellular structure found inside of a living cell
• Cell

  The basic unit of all forms of life/living organisms
• Tissue

  A group of cells with a similar structure that perform a shared function
• Organ

  A structure made of a group of tissues working together to perform specific functions
• Organ system

  Group of organs that work together to perform related functions and form organisms