Nov 20, 2025 · In this week's episode, Blood editor Dr. Laura Michaelis interviews authors Drs. Terri Parker and Peter Lenting on their latest papers published in Blood Journal.

作为名词，其核心含义为生物体内的循环液体“血液”，并延伸至家族“血统”和社会学层面的“群体成员”（如“new blood”指新鲜血液）；作为动词，多指医学上的“采血”行为或象征性动作（如狩猎仪式中涂抹血 …

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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 …

blood noun [U] (LIQUID) Add to word list A2 the red liquid that is sent around the body by the heart, and carries oxygen and important substances to organs and tissue, and removes waste products

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 …

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 is blood.

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

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.