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What Are White Blood Cells? for Kids
White blood cells are part of the germ-fighting immune system.
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What's a Whitehead? for Kids
People with acne may have different types of bumps on their skin.
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What Are Insulin Injections? for Kids
Insulin is an important hormone that keeps the body working. If the body doesn't make enough of this substance, a person may need to get insulin injections.
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What Is Bone Marrow? for Kids
Bone marrow is a thick, spongy kind of jelly inside your bones.
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What Is DNA? for Kids
DNA is the genetic information inside the cells of the body that helps make people who they are.
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What's a Spinal Tap? for Kids
A spinal tap is an important test for diagnosing illnesses, such as meningitis.
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What's an Optician? for Kids
An optician is the person you see when you go to buy your glasses that were prescribed by an ophthalmologist or optometrist.
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What Is a Complete Blood Count (CBC)? for Kids
Blood is made up of different parts, such as red blood cells, white blood cells, and platelets.
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What's Insulin? for Kids
If someone has diabetes, they have trouble with a hormone called insulin.
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What's the Pancreas? for Kids
The pancreas is a long, flat gland in your belly.