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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, Blood editor Dr. Laura Michaelis interviews author Dr. Taylor Brooks on his latest paper published in volume 146 issue 18 of Blood Journal.

  3. 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.

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

    Oct 12, 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. 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. The magic of the world's rarest blood type - BBC

    20 hours ago · People with rare blood types struggle to find donated blood that will match their own. One of the rarest – the Rh null blood type – is found in just 50 known people in the world.

  8. Inova Blood Donor Services - Save a Life Today. Give Blood.

    Sep 25, 2025 · Inova Blood Donor Services collects blood and blood components that help save lives in our community every day. We are a major supplier of blood in the Washington, D.C. …

  9. 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.

  10. 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.