They are made from mixing two primary colors. Shades and intensities of colors can be changed. White light can be split up into the colors of a rainbow. The colors of a rainbow always occur in the same order. The human body grows and changes.
Human bodies have similarities and differences.
Human body parts have names and functions. Human body parts are adapted for specific tasks. There is a great diversity of animals. Animals are vertebrates or invertebrates. Animals need food, water, air and shelter to survive.