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 …

In this week's episode, Blood editor Dr. Laurie Sehn interviews three of the latest Blood authors: Drs. Vijay Sankaran, Ruud Delwel, Françoise Kraeber-Bodere.

Just a single pint of blood can help save the lives of several people. Your donation can be separated into its different components; the platelets may go to a child with leukemia, the plasma to a patient with a …

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 Basics Blood is a specialized body fluid. 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 …

Blood donation near you at a donor center or on the Big Red Bus. Give blood or platelets today to help save lives tomorrow.

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 …

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

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.

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.