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  1. Blood | American Society of Hematology

    Feb 12, 2026 · In this week's episode, Blood editor Dr. Laurie Sehn interviews authors Drs. Anastasios Karadimitris and Maria Carolina Florian on their papers published in Volume 147 Issue 2 of Blood.

  2. 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 …

  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. Donors - Donate Blood - The Blood Connection

    Our caring phlebotomists are there to walk you through every step. First, they’ll ask some questions to make sure you’re eligible to donate. Then you spend some time in a comfy chair. Blood donations …

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

    Jan 26, 2026 · 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 …

  7. Facts About Blood - Johns Hopkins Medicine

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

  8. Donate Blood or Platelets | Save a Life

    Donate blood on the Big Red Bus or at a blood donation center near you. By giving blood, you give the gift of life.

  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.