The Respiratory system; This is the cardio-vascula system but it includes the lungs.The cario-vascula system; This is made up of the heart, the veins, the arteries and the capillaries.The blood; 5% plasma, 20% haemyoglobin, 75% hydrogen carbonate
The muscles need oxygens as energy. When oxygen is transported to the working muscles it diffuses into the muscles and latic acid and carbon dioxide (waste products) are taken away.
Movements! Adductions - Movements towards the body
Abduction - Movements away from the body
Rotation - Turning
Extention - Straightening of the joint
Flexion - bending at the joint
Circumduction - Full circle
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