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The Human Skeleton

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jacob
9 diapositives · 389 Views · Jun 06, 2013

The Human Skeleton. For 6 th Grade Students By: Shannon Boyer. Functions of the Skeletal System. Provides shape and form Supporting, protecting, and allowing bodily movement Produces blood for blood cells Storing minerals.

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The Human Skeleton
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  1. The Human Skeleton For 6th Grade Students By: Shannon Boyer

  2. Functions of the Skeletal System • Provides shape and form • Supporting, protecting, and allowing bodily movement • Produces blood for blood cells • Storing minerals

  3. The axial skeleton consists of bones that form the axis of the body and support and protect the organs of the head, neck, and trunk. Click on these links to read about the axial parts of the body. The skull The sternum The ribs The backbone The Skeleton Is Divided Into Two Distinct Parts:

  4. The appendicular skeleton is composed of bones that anchor the appendages to the axial skeleton. Click on these links to read about the appendicular parts of the body. The lower body The upper body The shoulders The pelvic area The Second Part of the Skeleton

  5. Types of Bones The bones of the body fall into four general categories: long bones, short bones, flat bones, and irregular bones. Long bones are longer than they are wide and work as levers. The bones of the upper and lower extremities are of this type. Short bones are short, cube-shaped, and found in the wrists and ankles. Flat bones have broad surfaces for protection of organs and attachment of muscles Irregular bones are all others that do not fall into the previous categories. They have varied shapes, sizes, and surfaces features and include the bones of the vertebrae and a few in the skull.

  6. Bone Composition Bones are composed of tissue that may take one of two forms. Compact, or dense bone, and spongy, or cancellous, bone. Most bones contain both types. Compact bone is dense, hard, and forms the protective exterior portion of all bones. Spongy bone is inside the compact bone and is very porous (full of tiny holes). Spongy bone occurs in most bones. The bone tissue is composed of several types of bone cells embedded in a web of inorganic salts (mostly calcium and phosphorus) to give the bone strength, and collagenous fibers and ground substance to give the bone flexibility.

  7. Other Links *Site of Anatomy Terms *Listen to audio recordings about the skeletal system *Click on any part of the skeleton and it will tell you about that part of the body *Watch a movie about the skeletal system, then take a quiz

  8. Take a look at these facts: • Cool Bone Facts This contains some interesting facts about the skeletal system.

  9. THE END THE END NMU Homepage CS255 Computers in El Ed Home Page