Blood | American Society of Hematology
4 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 …
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 …
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 …
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.
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 …
Blood Types Explained - A, B, AB and O | Red Cross Blood Services
Not all blood is alike. Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation.
Blood and the cells it contains - Blood Groups and Red Cell …
Blood carries oxygen and nutrients to living cells and takes away their waste products. It also delivers immune cells to fight infections and contains platelets that can form a plug in a …
Facts About Blood - Johns Hopkins Medicine
Detailed information on blood, including components of blood, functions of blood cells and common blood tests.
When to worry about blood in your stool (rectal bleeding)
Sep 19, 2025 · Blood in your stool may be awkward to talk about, but it can be a warning sign of cancer. Here’s what to know if you start noticing blood during your bathroom breaks.
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.