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Body Systems. Respiratory. Function: Takes oxygen into the body and gets rid of waste carbon dioxide and water vapor. Main Organ: Lungs. Circulatory. Function: Distributes oxygen, food and hormones to the cells; carries waste to the lungs. Main Organ: heart. Digestive.
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Respiratory • Function: Takes oxygen into the body and gets rid of waste carbon dioxide and water vapor. • Main Organ: Lungs
Circulatory • Function: Distributes oxygen, food and hormones to the cells; carries waste to the lungs. • Main Organ: heart
Digestive • Function: Breaks down food. • Main Organs: Stomach, small intestine, liver pancreas
Skeletal • Function: Provides a protective framework for the body. • Main Organs: bones, cartilage
Muscular • Function: Allows the body parts to move. • Main Organ: muscles
Excretory • Function: Removes liquid wastes from the body • Main Organ: kidneys
Nervous • Function: Allows the body to sense and respond to the world around it. Oversees all of the other organ systems. • Main Organ: brain
Reproductive • Function: Allows us to have children • Main Organs: ovaries, testes
Endocrine • Function: Produces chemical messengers that travel through the blood to help regulate some of the organs. • Main Organs: endocrine glands
Immune • Function: Helps body fight off germs and infections • Main Organ: white blood cells
Skin • Function: Protects from sun, wards off bacteria; cools body • Main Organ: skin