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CELLS, TISSUES AND ORGANS, Mauren Michelle Lopez Martinez 26988 MED 317…

- - - - Sugars (main energy source: sugar glucose)
      - Starches (bread, cereals, rice, potatoes)
    - - Fats
    - - Hormones
      - Structural materials
      - Enzymes
- - - - Supports and binds body structures
    - - Contracts to produce movement
      - Three types
        
        Cardiac
        
        Smooth / visceral
        
        Skeletal
    - - Simple
        
        Single layer, absorbs substances from one system to another
      - Stratified
        
        Multiple layer, protects deeper tissue
      - Covers and protects body structures: lines organs, vessels and cavities
    - - Makes up brain, spinal cord and nerves
      - Coordinates body responses by transmission of electrical impulses
  - - - Mucous membranes: secrete mucus, lines body cavities that open to the exterior
        
        Respiratory, digestive and reproductive organs
      - Serous membranes: secrete watery fluid, line body cavities and cover organs
        
        Three locations: pericardium, pleura, peritoneum
    - - Fibrous membranes: cover and support organs
- - - - Homeostasis
        
        Is the state of steady internal physical and chemical conditions maintained by living systems