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The Skeletal System
Revision for the topic of the skeletal system for JC students
| Question | Answer |
|---|---|
| What is the skeletal system? | All the bones in the body. |
| How many bones are there in the average adults body? | 206 |
| What bone protects the brain? | The Cranium. |
| What is the purpose of the rib cage? | To protect the heart,lungs and liver. |
| What minerals make bones so strong? | Calcium and phosphorous. |
| Give three functions of bones. | Any 3 of: 1. They give the body structure. 2. They protect internal organs from injury. 3. They assist in the movement of the body. 4. They produce blood cells. 5. Used as a storage sight for many important minerals. |
| What is the hollow space in the middle of bones filled with? | Bone Marrow |
| What is the smallest bone in the human body? | The stirrup |
| Where do 2 different bones meet? | Joints |
| What are the bones in your spine called? | Vertebrae |
| How many bones are in your spine? | 26 |
| At what age do your bones normally have stopped growing by? | 25 |
| What type of joint is found in your knee and elbow? | Hinge joint |
| What type of joint is found in your shoulder? | Ball and Socket joint. |
| What is the largest bone in the human body? | Femur |