Tag: BIOLOGY

THE NERVOUS SYSTEM

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

THE EYE

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

DIGESTIVE SYSTEM

Food is made up of complex molecules that need to be broken down into simpler molecules to…

SKELETON SYSTEM

Your skeleton is a protective and supportive structure of bones. Skull bones protect the brain. Rib bones…