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Copy of The Skeletal System
Transcript of Copy of The Skeletal System
6th Grade Health
What You're Going to Learn:
- What is a Bone?
- The Inside of a Bone
- The 4 Main Jobs of a Bone
-The Hips, Legs, and Feet
This is Important.
So you can be...
What Is a Bone?
- The Skeletal System is comprised of the bones and cartilage that
forms the framework of your body.
-We have bones so we are not a pile of skin and guts on the floor.
- Babies have about 300 bones when they are born.
-Adults have about 206 bones.
The Inside of a Bone
- Bones are made of salts, tissue, and water
-Inside bones there is a jelly-like substance called marrow
-Bone marrow produces blood cells for the body.
Why Are Bones Important?
- To protect your body and give it shape
- To protect your internal organs
- To provide a scaffolding for your muscles,
allowing you to move
- To store minerals and make blood cells
The Hips and Leg
- The Os Coxa (hip bone) helps us stand upright and move around
- The Femur is the largest bone in the body and aids in hip movement and extension and flexion of the leg
- The Patella is a triangular bone (knee cap) which protects the knee ligaments
- The Fibula helps form the knee joint (calf bone)
- The Tibia connects the bones in the ankle (shin bone)
- The feet are comprised of 26 bones
- Tarsals, metatarsals, phalanges
- What is a bone?
- What is inside a bone?
- What are the 4 jobs of bones
- Name the bones!!!!
Why do we have less
bones as adults than
we are born with?