THE NERVOUS SYSTEM

The nervous system is an organ system made up of a network of cells called neurons. The central nervous system is made up of the…

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THE EYE

Your eyes can be compared to a camera that focuses on what is before you. The eye is a light-sensitive organ that passes on light rays to the…

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DIGESTIVE SYSTEM

Food is made up of complex molecules that need to be broken down into simpler molecules to be absorbed into the bloodstream. This process is…

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SKELETON SYSTEM

Your skeleton is a protective and supportive structure of bones. Skull bones protect the brain. Rib bones create a cage around your chest which protects…

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