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GD 7 BBS - Coggle Diagram

- - - - Periosteum: Outer layer with nerves and blood vessels.
      - Compact Tissue: Rigid, protective layer.
      - Spongy Tissue: Porous, providing strength with lightweight.
      - Bone Marrow: Jelly-like substance for blood cell formation.
  - - - Osteoblasts: Form bone tissue.
      - Osteocytes: Regulate mineral and calcium levels in bone.
      - Osteoclasts: Resorb or break down bone tissue.
- - - - Vertical central axis of the body.
      - Contains bones in the head, neck, chest, and back.
      - Acts as a protective shield for vital organs like the heart, lungs, brain, and spinal cord.
      - Provides attachment points for muscles that move the head, neck, back, and limbs.
      - Consists of 80 bones in total.
      - Includes 22 bones in the skull.
      - Comprises 7 additional bones linked to the skull (hyoid bone and ear ossicles).
      - Comprises 24 vertebrae in the vertebral column, along with the sacrum and coccyx.
      - The thoracic cage is formed by the sternum and 12 pairs of ribs.
  - - - Includes bones in the upper and lower limbs.
      - Also includes bones that connect each limb to the axial skeleton.
      - Adult appendicular skeleton has 126 bones in total.