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Skeletal system
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Skeletal system


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  • 1. Through the Body Skeletal System 2/23/11
  • 2. Skull
    • The skull is bony framework of the head. It is comprised of the eight cranial and fourteen facial bones.
    • 3. The cranial bones make up the protective frame of bone around the brain, the cranial bones are: frontal, parietal, temporal,occipital, sphenoid, ethmoid.
    • 4. And the facial bones makeup the upper and lower jaw and other facial structures are mandible, maxilla, palatine, zyogmatic, nasal, lacrimal, vomer.
  • 5. Hands
    • Each hand has twenty-seven separate bones. These are connected with muscles and tendons .
    • 6. Hand bones are also called metacarpus. The bones in the fingers are called phalanges.
    • 7. The fingers have three phalanges and the thumb has two. These joints allow the finger to flex.
  • 8. Arm
    • Just like the bones in the hand, the arms bones are also very flexible. These bone is also very flexible.
    • 9. The arm is made up of three bones. These are the ulna, radius and humerus.
    • 10. In the humerus grooves hold the top of the biceps in place.
    • 11. At the shoulder are two bones that form the shoulder joint. These are the clavicle (collar bone)and the scapula (shoulder blade).
  • 12. The Spine
    • The spine is the central support for the body.
    • 13. The spine is made of separate irregular bones called vertebrae.
    • 14. The vertebrae are made up of spongy bone surrounded by a layer of compact bone.
    • 15. In between each vertebrae is a layer of compact bone.
    • 16. There are twenty six vertebrae in the spine.
  • 17. Ribs
    • The breastbone, or the sternum, is linked to the bones which make up the ribs.
    • 18. The sternum is a flat bone that is about 6 inches long.
    • 19. The ribs curve around from the spine to the front of the of the body.
    • 20. Your rib cage is made up of 12 vertebrae , 24 ribs and a breastbone in three parts.
  • 21. Hips
    • The hips support much of the body’s weight. Each hip is made up of three bones .
    • 22. These bones are called the ilium, ischium, and pubis. When you are born, these three bones are separated. As you get older, they begin to join together.
  • 23. Legs
    • The main bones of the legs are the femur, tibia. And fibula. The femur extends from the hip joint to the knee. This is the longest bone in the body.
    • 24. The tibia is the strongest bone in the body. The thinner bone is fibula and helps to control the movement of the ankle.
    • 25. The bone that is at the middle of leg is the patella or knee cap.
  • 26. Feet
    • The bones of hands and feet are flexible. The foot has twenty six bones, one less than in the hand.
    • 27. The bones in the toes are shorter and fatter than bones in the fingers.
    • 28. This helps us to balance on two feet. The seven bones in are ankles are called tarsal bones.
    • 29. The main part of the foot is made of metatarsal bones.
  • 30. :PInteractive websites:D
    • Http://
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