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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 | American Society of Hematology

    In this week's episode of the Blood Podcast, Associate Editor Dr. James Griffin interviews Drs. Binod Dhakal and Ruben Bierings about their respective papers published in this week's issue …

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

    Jul 21, 2025 · Blood is a specialized fluid that constantly flows throughout your body. It’s made of plasma, red blood cells, white blood cells and platelets.

  4. Donate Blood, Plasma and Platelets | Vitalant

    Enter your zip code to find the nearest donation center or blood drive near you. Learn about every step in our simple blood donation process and what to expect. Are you eligible? Donating …

  5. Blood Basics - Hematology.org

    It has four main components: plasma, red blood cells, white blood cells, and platelets. The blood that runs through the veins, arteries, and capillaries is known as whole blood—a mixture of …

  6. Facts About Blood - Johns Hopkins Medicine

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

  7. How Much Blood Is in the Human Body? - Verywell Health

    Sep 20, 2025 · Most people have over a gallon of blood in their body, though it can vary. Learn about blood loss and methods for measuring blood volume.

  8. Blood- Components, Formation, Functions, Circulation

    Aug 3, 2023 · Blood is a liquid connective tissue made up of blood cells and plasma that circulate inside the blood vessels under the pumping action of the heart.

  9. Blood: Components, functions, groups, and disorders

    Jan 16, 2024 · Blood circulates throughout the body, transporting substances essential to life. Here, learn about the components of blood and how it supports human health.

  10. Donate Blood, Platelets or Plasma. Give Life | Red Cross Blood

    Blood donors report feeling a sense of great satisfaction after making their blood donation. Why? Because helping others in need just feels good. Donate blood today to help those in need.