7 - Biology 30.3 Vertebrate endoskeletons all share: -...

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Biology 30.3 Vertebrate endoskeletons all share: - Axial skeleton o Skull, vertebrae (backbone), and ribs - Appendicular skeleton o Shoulder girdle, pelvic girdle, fins/limbs - Mammals, birds, reptiles, fish, amphibians Human Skeleton - Bipedal, walk upright - Axial skeleton in green o Skull, Backbone (vertebra) o Ribs, sternum - Appendicular skeleton in white o Shoulder girdle, pelvic girdle, limbs - Smallest bones o Hammer,anvil, stirrup - Largest bone o Femur - How many bones in the human body? 206 Skeleton - Three types of movable joints - Ball-and socket joints-movement in all directions o Shoulder, hip - Hinge joints-movement in one plane o Elbow, jaw, knees - Pivot Joints-bones to rotate - Elbow, skull sitting on vertebrae, wrist 30.4 - Functions o Anchor muscles o Interact with muscle for movement o Protect internal organs o Store calcium and phosphorus (endocrine) o Produce blood cells Immune - Compact bone - Spongy bone o Red marrow- function: stem cells give rise to all blood cells - Central cavity o Yellow bone marrow- function: stores fat
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7 - Biology 30.3 Vertebrate endoskeletons all share: -...

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