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Bones, Bones, Bones!. By Stephanie Stavros. What Are Bones?. Bones provide support from our bodies from our heads to our toes, and help form our body shapes. If we didn’t have bones we would be like jelly fish! Although bones are very light, they can provide support for our entire body weight.

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Bones bones bones

Bones, Bones, Bones!

By Stephanie Stavros


What are bones
What Are Bones?

  • Bones provide support from our bodies from our heads to our toes, and help form our body shapes. If we didn’t have bones we would be like jelly fish!

  • Although bones are very light, they can provide support for our entire body weight.

  • We have 206 bones in the human body, and some of these bones begin to form even before birth.

  • Our bones are living, growing, and changing parts of our bodies.


What are bones made of
What Are Bones Made Of?

  • Bones are made of two types of bone:

    • Compact Bone: the solid and hard outside part of the bones. Blood vessels and nerves run through it.

    • Cancellous bone: sponge like bone inside the compact bone. It carries red blood marrow


Different jobs for different bones
Different Jobs For Different Bones

  • Some bones protect the brain. Example: bones at the back of your head and forehead.

  • Some bones make the framework of your face. Example: the bones around your eyes

  • Some bones in the middle part of your ear carry sound from your eardrum to the inner ear.


The spine
The Spine

  • The spine has 26 bones

  • They are called the vertebrae (say ver-tu-bray).

  • The top 7 are called the cervical vertebrae. They support your head and neck

  • The next 12 are called the thoracic vertebrae. These hold one end of your ribs.

  • The next 5 are the lumbar vertebrae.

  • The next, the sacrum, is a large bone that is actually made of 5 vertebrae joined together.

  • At the bottom of the spine is the coccyx which is one bone made of 4 small vertebrae joined together


Ribs

  • Ribs make a protective cage around your lungs, liver and heart.

  • There are 12 pairs of ribs.

  • The top 7 ribs are attached to the sternum.

  • The next 3 pairs are joined to the ribs above.

  • The last 2 pairs of ribs are called the ‘floating' ribs. But don't panic! They are not attached to the sternum but they are fastened to the spine at the back.


Arms

  • The arm has 3 bones:

    • Humerus : Bone between your shoulder and elbow, or the “funny bone”

    • Radius: Bone that goes from your elbow to your wrist.

    • Ulna: Bone that also goes from your elbow to your wrist.

    • Your wrist has 8 small bones, so it is really flexible. In each hand there are 19 bones! Y


Legs

  • Legs need to be large and strong to support the rest of the body.

  • The femur is the largest bone in the body and it goes from the pelvis to the knee.

  • Another bone called the patella or kneecap, covers the knee joint to protect it.

  • Below the knee there are 2 bones.

    • Tibia

    • Fibula


Stanley the skeleton
Stanley the Skeleton

  • http://www.youtube.com/watch?v=Pfo75XUnRIU



Dr steph says
Dr. Steph Says…

  • Eat healthy food

    • Especially dairy foods, which give your bones the calcium they need to be strong!

  • Get plenty of exercise and make sure that you protect your bones when you play sports.

    • Wear a helmet when you bike ride or scooter, elbow pads, knee pads, etc. to help protect your bones


Make your own skeleton
Make Your Own Skeleton

  • Materials needed:

    • Construction paper

    • Different types of pasta noodles

    • Elmer’s Glue


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