The Human Skeletal System constructed by 206 pieces of bones and few cartilages. When human was born there are more than 300 pieces of bones. Many of them join when the human grow. The function of skeletal system are:
1. Support
It holds us upright and provides a frame work for tissues and organs.
2. Protection
It protects important and soft organs. Heart and lungs are protected by the rib-
cage. The brain is protected by the skull.
3. Movement
Takes place when muscles move bone at joints.
4. Making blood cells
Red and white blood cells are made inside the bone marrow.
5. Reservoir
Store calcium and phosphorus.
Human skeletal system consist of axial and appendicular skeleton.
Labels: Natural Science