The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body ...

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When red blood cells sickle, they do not bend or move easily and thus can block blood flow to the rest of the body. People with sickle cell disease could experience onset of strong episodes of ...

Children with sickle cell disease have unique nutritional needs. They burn more energy, face growth delays and need stronger ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

Dear Doctors: My fiance and I plan to have kids someday. ... Red blood cells, which are part of the circulatory system, deliver oxygen to cells throughout the body and carry away carbon dioxide.

Sickled red blood cells can pile up and block blood flow keeping healthy red blood cells from carrying oxygen from getting where they need ... “For kids who have long periods in the hospital, ...

Sickle cell disease (SCD) is the most common inherited red blood cell disorder in the U.S., affecting an estimated 100,000 people, researchers said in background notes.