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  1. Blood - Wikipedia

    Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells, and transports metabolic …

  2. Blood: What It Is & Function - Cleveland Clinic

    Blood is a specialized fluid that constantly flows throughout your body. It’s made of plasma, red blood cells, white blood cells and platelets.

  3. Denver Blood Donation Center | Vitalant

    Blood donation types collected at this site are whole blood, platelets, plasma, and Power Red (double red cell). The location is open seven days a week for all donation types.

  4. Blood | Definition, Composition, Functions, & Facts | Britannica

    Nov 7, 2025 · Blood is a fluid that transports oxygen and nutrients to cells and carries away carbon dioxide and other waste products. It contains specialized cells that serve particular …

  5. What Does Your RBC Count Say About Your Health?

    4 days ago · A red blood cell count measures the number of red blood cells that carry oxygen in your blood. Low red blood cell counts can indicate anemia, which often causes fatigue and …

  6. Denver Red Cross Blood Donation Center

    Turn your compassion into action by giving blood at the Denver American Red Cross Blood Donation Center or at Red Cross blood drives across Metro Denver. Appointments are …

  7. Home - NHS Blood Donation

    Register to be a blood donor, give blood and save lives. Find out more about blood donation.

  8. Facts About Blood - Johns Hopkins Medicine

    Detailed information on blood, including components of blood, functions of blood cells and common blood tests.

  9. Labcorp - Order Lab Tests from Home Without a Doctor's Visit

    Labcorp OnDemand lets you order lab tests from home. Convenient, fast and secure blood tests to better understand your overall health and wellness.

  10. What is the most common blood type? Blood types and facts - USA TODAY

    Aug 30, 2022 · According to the American Red Cross, the most common blood type is O positive, which is the blood type for 37% of the population.