Cell Organisation - Tissues, Organs etc

• Specialized cells


  Different types of cells like epithelial cells, muscle cells, and glandular cells
• Tissues


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


  • Epithelial tissue
  • Muscle tissue
  • Glandular tissue
• Organs


  A group of different tissues that work together to perform a particular function
• Organs

  • Stomach
  • Pancreas
  • Liver
• Organ systems


  A group of organs that work together to perform a particular function
• Organism


  The highest level, with multiple organ systems working together
• Other examples

  • Skin
  • Teeth
  • Lungs
  • Spleen
  • Bones
  • Testes
  • Immune system
  • Nervous system
  • Respiratory system
  • Endocrine system
  • Urinary system
• Organs are organised into organ systems, which work together to form organisms.
• Cells 


  the basic building block of all living organisms
• Organelle

  A specialised unit within a cell which performs a specific function
• cells -> tissues -> organs -> organ systems