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body systems, digestive, excretory, circulatory, respiratory

What does the digestive system do? It breaks food down into nutrients.
What does the excretory system do? It removes excess water and other waste products.
What does the circulatory system do? It takes blood to all parts of the body.
What does the respiratory system do? It takes in oxygen and expels carbon dioxide.
What system has got the trachea and lungs? The respiratory system
What system has got the heart and blood vessels? The circulatory system
What system has got the kidneys and bladder? The excretory system
What system has got the esophagus and stomach? The digestive system
Created by: MsLacovic