Learn if you can donate blood, how to prepare to donate blood, and what to expect about the donation process. The right type at the right time saves lives in your community. Learn more about your blood …

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 …

4 days ago · In this week's episode, Blood Associate editor Dr. Hervé Dombret interviews authors Drs. Sarah K. Tasian and David T. Teachey on their contributions to the How I Treat Series on acute …

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.

Jan 22, 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 …

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% …

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.

Find the nearest blood donation center or mobile blood drive in your area. Easily search by zip code or city to locate a convenient location to donate blood and save lives.

Aug 3, 2023 · Blood is a liquid connective tissue made up of blood cells and plasma that circulate inside the blood vessels under the pumping action of the heart.