Blood for Kids
The thought of blood may make you cringe, but blood is also keeping you going. Learn more about blood problems and disorders in this subsection devoted to this important substance.
Blood Test: Complete Blood Count for Teens
This common blood test helps doctors gather information about a person's blood cells and how they're working. Find out why doctors do this test and what's involved for teens.
Blood Test: Complete Blood Count for Parents
The complete blood count (CBC) is the most common blood test. It analyzes red blood cells, white blood cells, and platelets.
Blood for Teens
Find out about the mysterious, life-sustaining fluid called blood.
Blood for Parents
Here are the basics about the life-sustaining fluid called blood.
Blood Culture for Parents
A blood culture is a test that looks for germs (such as bacteria or fungi) in the blood.
Blood Types for Teens
Blood might look the same and do the same job, but tiny cell markers mean one person's body can reject another person's blood. Find out how blood types work in this article for teens.
Blood Types for Parents
Categorizing blood according to type helps prevent reactions when someone gets a blood transfusion. Find out how blood types work.
Blood Disorders for Teens
This section has information on problems or diseases that affect a person's blood.
Heart & Blood Vessels for Parents
Learn about conditions that may affect the heart and circulatory system.