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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 waste products away …

  2. Blood | American Society of Hematology

    3 days ago · In this week's episode, Blood Associate editor Dr. Thomas Ortel interviews authors Drs. Ware Branch and J.J. Strouse on their contributions to How I Treat hematologic complications in …

  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, & Facts | Britannica

    Dec 15, 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 functions. These …

  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 about 55% …

  6. Donate Blood in Bossier City, LA - LifeShare

    People in communities across Bossier City need blood every day. Cancer patients, accident victims, heart patients, pregnant women, and babies are just a few examples of people who rely on blood …

  7. Facts About Blood - Johns Hopkins Medicine

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

  8. Give Blood Louisiana - The Blood Center

    Every 3 seconds, someone in the U.S. needs blood. It is estimated that 1 in 7 people entering a hospital will use blood. This includes trauma victims, cancer patients, organ transplants, burn victims, and …

  9. Overview of Blood and Blood Components - University of Rochester ...

    The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs.

  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.