The 11 Organ Systems
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PRESENTATION OUTLINE
The Skeletal System
The Skeletal System is made of 206 bones which support and protect the body and give it shape.
Photo by thekirbster
The Muscular System
The Muscular System is made of muscles, which move the skeleton and make up some organs.
The Respiratory System
The Respiratory System brings oxygen to lungs and then to the body cells and gets rid of carbon dioxide.
The Circulatory System
The Circulatory System uses the heart, lungs, blood, and blood vessels to move materials to and from cells.
Photo by grevillea.
The Excretory System
The Excretory System uses skin, lungs, and kidneys to remove wastes from the body.
Photo by Kecko
The Nervous System
The Nervous System sends messages throughout the body by way of the brain, spinal cord, and nerves.
Photo by National Institutes of Health (NIH)
The Digestive System
The Digestive System uses the mouth, stomach, and small intestines to turn food into nutrients that the cells of the body can use.
Photo by I M A U-M-N-B-N!
