
Blood - Wikipedia
In vertebrates, the various cells of blood are made in the bone marrow in a process called hematopoiesis, which includes erythropoiesis, the production of red blood cells; and myelopoiesis, …
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.
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 …
Facts About Blood - Johns Hopkins Medicine
Detailed information on blood, including components of blood, functions of blood cells and common blood tests.
Blood Basics - Hematology.org
The blood that runs through the veins, arteries, and capillaries is known as whole blood—a mixture of about 55% plasma and 45% blood cells. About 7% to 8% of your total body weight is blood.
Blood - MedlinePlus
May 11, 2023 · Blood has many functions in your body. Blood tests help doctors check for certain diseases and conditions. Learn about blood types and blood tests.
Overview of Blood - Visible Body
Blood is made up of 55% plasma and 45% formed elements—red blood cells, white blood cells, and platelets. Blood is fluid connective tissue that circulates throughout the body.
Overview of Blood
Blood performs various essential functions as it circulates through the body: Delivers oxygen and essential nutrients (such as fats, sugars, minerals, and vitamins) to the body's tissues
Blood | American Society of Hematology
3 days ago · In this week's episode, Blood editor Dr. James Griffin interviews authors Drs. Vincent Muczynski and Mark Geyer on their latest research published in Blood. Dr. Muczynski's research …
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.