Question

the functions of the skeletal system ​

Answer 1

Functions of Skeletal system :.

1. Support : The skeleton keeps the body upright and provides a framework for muscles and tissue attachment.
2. Posture : The skeleton gives the correct shape to our body.
3. Protection : The bones of the skeleton protect the internal organs and reduce the risk of injury on impact. For example, the cranium protects the brain, the ribs offer protection to the heart and lungs, the ventricles protect the spinal cord and the pelvis offers protection to the sensitive reproductive organs.
4. Some bones act like livers : Bones enables body movements by acting as levers and point attachment for muscles.
5. Blood cell production : certain bones in skeleton contain bone marrow which produces red blood cells, white blood cells and platelets. Examples of bones that contain marrow are pelvis, sternum , humerus and femur.
6. Energy strorage : Lipids ( fats ) stored in the adipose cells of the yellow marrow of the bones serves as Energy reservior.
7. Movement : The skeleton allows movements of the body as a also and its individual parts. The bones form joints and act as levers , allowing muscles to pull on them to produce Movement. The bones of the skeleton provide surface for the attachment of muscles.
8. Storage of Minerals : The bones store Minerals such as calcium, iron , potassium and phosphorus and release them into the blood when the needs to use them.