Blood facts |
- Blood is the life-maintaining fluid that circulates through the body's heart, arteries, veins and capillaries.
- Blood carries to the body nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen.
- Blood carries away from the body waste matter and carbon dioxide.
- Blood fights against infection and helps heal wounds, keeping you healthy.
- Blood makes up about 7% of your body's weight.
- A newborn baby has about one cup of blood in his or her body.
- White blood cells are the body's primary defence against infection
- Granulocytes, a type of white blood cell, roll along blood vessel walls to search and destroy bacteria.
- Red blood cells carry oxygen to the body's organs and tissues.
- There are about one billion red blood cells in two to three drops of blood
- Red blood cells live about 120 days in the circulatory system.
- Blood platelets help clotting and give those with leukemia and other cancers a chance to live.
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