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 authors Drs. Lorenzo Falchi and Robert Levy on their latest papers published in Blood Journal. Dr.

Blood is a specialized fluid that constantly flows throughout your body. It’s made of plasma, red blood cells, white blood cells and platelets.

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% …

Nov 7, 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 …

Feb 26, 2022 · You can lose quite a bit of blood without experiencing any side effects or complications. The exact amount depends on your size, age, and general health. Find out how much blood you lose …

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.

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

Nov 28, 2025 · Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body. Since some antigens …

Apr 15, 2025 · Blood tests can help a doctor diagnose a variety of health conditions, including infections, anemia, high cholesterol, vitamin deficiencies, organ failure, HIV, cancer, and diabetes. Doctors use...