Human Organ System
Digestive System
Breaks down food into simple substances
Absorb these substances so that they can be used by the body
Organs include the mouth, gullet, stomach, small intestine, large intestine and anus
Respiratory System
Takes air into the body
Removes air from the body
Organs include the nose, windpipe and lungs
Muscular System
Helps different parts of the body to move with the help of muscles
Circulatory System
Carries digested food, water and oxygen in the blood to all parts of the body
Carries waste materials away from different parts of the body
Organs include the heart and blood vessels
Skeletal System
Supports the body
Gives the body shape
Some major bones include the skull, ribcage and backbone.
