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kidshealth library

Your child's health and safety is our top priority. Please search our resource library for information on health, nutrition, fitness, injury prevention and other important topics.

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Body Basics

  • Heart and Circulatory System

    The heart and circulatory system are our body’s lifeline, delivering blood to the body’s tissues..

  • How Do the Ears Work? (Video)

    The ears gather sounds from our environment and turn them into messages for the brain to decode. Learn more in this video about the ears.

  • Immune System

    The immune system, composed of special cells, proteins, tissues, and organs that protect against germs and microorganisms, is the body’s defense against disease.

  • Kidneys and Urinary Tract

    The bean-shaped kidneys, each about the size of a child’s fist, are essential to our health. Their most important role is to filter blood and produce urine.

  • Lungs and Respiratory System

    We need the respiratory system for breathing. Find out how it works.

  • Male Reproductive System

    The male reproductive system is made up of the parts inside and outside a male’s body that help make a baby. Learn about them and how they work.

  • Mouth and Teeth

    Our mouth and teeth play an important role in our daily lives. Here’s a course on the basics – including common problems of the mouth and teeth.

  • 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.