2024 Blood Cover Art Contest Winner; Year in review: Blood's ten most read articles published in 2024

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 …

Mar 17, 2023 · Blood is mostly fluid but contains cells and proteins. Blood has four parts: Red blood cells (bottom right), white blood cells, platelets (middle right) and plasma (top right). …

Mar 27, 2025 · Blood, fluid that transports oxygen and nutrients to cells and carries away carbon dioxide and other waste products. Blood contains specialized cells that serve particular …

Jan 16, 2024 · Blood supplies essential substances, such as sugars and oxygen, to cells and organs, and removes waste from cells. Hematologists work to identify and prevent blood and …

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

Jul 26, 2017 · Blood is the body fluid in humans and other animals that delivers the essential materials for life to the body’s cells. It has sometimes been called a fluid “tissue,” because like …

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 …

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.

There are four major blood groups determined by the presence or absence of two antigens, A and B, on the surface of red blood cells. In addition to the A and B antigens, there is a protein …