Body Basics

• Nails

  Nails protect the sensitive tips of fingers and toes.

• Nervous System

  The nervous system is made up of the brain, spinal cord, and a complex network of nerves. It’s job is to send messages back and forth between the brain and the body.

• Peripheral Nervous System

  The peripheral nervous system delivers information back and forth between your brain and your body.

• Skin

  Our skin protects the network of tissues, muscles, bones, nerves, blood vessels, and everything else inside our bodies.

• The Lymphatic System

  The lymphatic system is an extensive drainage network that helps keep bodily fluid levels in balance and defends the body against infections.

• The Spleen

  The spleen is a fist-sized organ in the upper left part of the belly under the ribcage. It helps protect the body by clearing worn-out red blood cells and other foreign bodies (such as germs) from the bloodstream.

• What Is Collagen?

  Collagen is a protein in the body that helps make bones strong.