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Skeletal System

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Ashley Dunlap

on 16 May 2013

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Transcript of Skeletal System

The Skeletal System The skeletal system works to support your body, without it you would be unable to move! The skeletal system is covered with muscles that enable us to move.
-muscles are part of the muscular system.
-muscles are attached to our bones.
-brain signals make the systems work together.
-the nervous system signals a skeletal muscle to contract. www.ehow.com
Biology textbook
bing.com Fun Facts! Of the 206 bones in your body 52 of them are in your feet. The smallest bone in a human body is in the ear, called a stirrup. 14 bones make up your face. There are the same number of bones in human and giraffe neck. Male bones are generally thicker than female bones. 206 bones are in the adult human body! Also the skull Arthritis: causes joints to swell and causes stiffness.

Osteoporosis: bones become fragile and more likely to fracture. Arthritis Osteoporosis A ligament connects two bones or cartilages or holds together a joint. A tendon attaches a muscle to a bone. Hinge Joint The hinge joint allows bones to move back and forth like a hinge door A pivot joint allows rotation around an axis Ball-and-socket joint allows 360 degree rotation or full circle movement Your skull protects your brain, while your ribs protect your heart and lungs. Synovial Fluid protects two bones that meet at a joint from rubbing and causing friction. Axial skeleton-protects body organs. (80 bones)
Appendicular-helps in movement. (126 bones) FILL IN! By Kaylie Harkins
and Ashley Dunlap You are about 1/4" taller in the morning than in the evening. 1 out of every 20 people in the world have an extra rib. Example: Your knee 360 Joints are in the adult human body THE END FILL IN!
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