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  • What Are Red Blood Cells? for Kids


    Red blood cells have the important job of carrying oxygen.

  • Sickle Cell Disease for Kids


    Sickle cell disease is a disease of the blood. Red blood cells are shaped like sickles, and can get stuck, especially inside smaller blood vessels.

  • What Are White Blood Cells? for Kids


    White blood cells are part of the germ-fighting immune system.

  • What Is DNA? for Kids


    DNA is the genetic information inside the cells of the body that helps make people who they are.

  • What Are Chromosomes? for Kids


    Your body is made up of billions of cells, which are too small to see without a strong microscope.

  • How Does the Skin Work? (Video) for Kids


    Go below the surface of the skin with Chloe and the Nurb. They'll show you skin cells, sweat, and more!

  • Can Bras Cause Breast Cancer? for Kids


    Breast cancer happens when there's a problem with the way cells grow inside the body — but bras don't cause it.

  • Chemotherapy for Kids


    Chemotherapy is a big word for treatment with medicines used to help people who have cancer. This medicine kills the cancer cells that are making the person sick.

  • Words to Know (Cancer Glossary) for Kids


    Check out our cancer glossary for lots of easy-to-read definitions.

  • Diabetes & Endocrine System Glossary for Kids


    A glossary of terms for kids who want to learn about diabetes and the endocrine system.