The Skeletal System

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The Skeletal System!
By Heather Jellesma, Brandon Hudson , and
Chelsea Braden
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So what exactly does the skeletal system do?

• It supports our body, protects internal organs,
  provides for movement, stores mineral reserves,
  and provides a site for blood cell formation.

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Whats inside our bones?

• Periostem tough layer of connective tissue.
• Compact bone thick and dense.
• Spongy bone strong, less dense.
• Bone marrow yellow- made of fat cells
• Red- make red blood cells, some kinds of white
  and platelets.

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DID YOU KNOW??

• Adult humans have about 206 bones in them.
• Spongy bone isn't really spongy or soft, its just
  less dense than the other bones

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Bone Marrow!

• Bone marrow is made up of two types red and
  yellow. Yellow cells, located in the middle of
  the bone, is made of fat cells. Red is
  responsible for making red blood cells, some
  kinds of white and platelets.

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The Life Cycle of a Bone!
START
END
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JOINTS

• What is a Joint?- A place where one bone attaches
  to another bone.
• 3 different types of joints?-
• Immovable Joints.
• Slightly movable Joints.
• Freely Movable Joints.
• How does each joint move?
• Ball and socket-Circular. Located
  in shoulder.
• Hinge-Hinge. Located in knee.
• Pivot- Pivot. Located in elbow.
• Saddle- Side to side/ Up and down.
  Located in fingers.
• 2 layers 1st-
• ligaments-
  strips of rough connective tissue
• 2nd
• synovial
  fluid- forms thin film within the bone

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Chiropractor!

• Requirements- 4 years pre-med. 4-5 prof. chiro.
• Job Duties- Diagnose and treat health problems
  related with muscle, nerves, skeletal systems,
  mainly align back.
• Pay Scale- varies/
• 70, 000 a year!
• !