Applied 1 Lifecare - Bones, Joints and Muscles

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   contract      exercises      inactivity      Ligaments      marrow      minerals      movement      Nerve      protects      synovial      Tendons   
The Skeleton
This provides a tough flexible framework.
It stores (calcium and phosphorous).
It makes red blood cells, platelets and some white blood cells in the bone .
It forms a system of levers, enabling .
It the internal organs.

Bone is continually broken down and rebuilt. Bone density can be increased by weight-bearing , and can make the bones less dense and weaker.

Joints and Movement
Bones meet at joints.
hold bones together.
attach muscles to bones.
Different types of joint allow different sorts of movement.
Most joints are synovial joints - they are lubricated with fluid.

Skeletal muscles can be moved at will. impulses from the brain pass a signal to the muscle to make it .
Muscles cannot push, they can only pull.
To move a bone back into place, another muscle has to pull it back.