Cell Organisation

• Cell


  Basic building blocks that make up all living organisms
• Specialised cells


  Carry out a particular function
• Differentiation


  The process by which cells become specialised for a particular job
• Cell organisation in large multicellular organisms

  1. Cells form tissues

  2. Tissues form organs

  3. Organs form organ systems
• Large multicellular organisms have different systems inside them for exchanging and transporting materials
• Tissue


  A group of similar cells that work together to carry out a particular function
• Organ


  A group of different tissues that work together to perform a certain function
• Tissues in the stomach

  • Muscular tissue
  • Glandular tissue
  • Epithelial tissue
• Organ system


  A group of organs working together to perform a particular function
• Organs in the digestive system

  • Glands (pancreas, salivary glands)
  • Stomach
  • Small intestine
  • Liver
  • Large intestine
• Organ systems work together to make entire organisms