Biology B5 (Higher)

Hope this is useful for people, i know exams can be so stressful good luck! :)

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  • Biology B5
    • Skeletons
      • Types of skeletons
        • Invertebrates (no backbone)
          • eg: Worms
      • Functions
        • Protect vital organs
        • Support body
        • Framework for muscles
        • Earthworm
          • Fluids push out skin for stature
      • Cartilage
        • Growth
          • Osmosis
            • Diffusion of cartilage cells for bone growth
            • Calcium strong bones
        • Diseases
          • Possible pathogen invasion
      • Bone Structure
        • Endoskeleton
          • Internal support of animal
          • eg: humans, cats ect.
        • Exoskeleton
          • Calcium carbonate
          • eg: crab, turtle
          • External support
    • Osifying
      • Cuticle
        • Protects  waterloss/gain
        • Repairs damage
        • Prevents micro organisms
      • Chitin
      • Moulting
        • Shedding of skin/shells ect.
    • Joints
      • Ligaments
        • Joins bone to another bone
      • Tendons
        • Connect muscle to bone
      • Synovial Joints
        • Contain synovial fluids
          • Produced by synovial membrane
  • Internal support of animal
  • Polymer found on invertebrate exoskeletons
    • Chitin
    • eg: shells of some mollusks
    • eg: cell walls of fungi

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