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 …

Blood has four parts: Red blood cells, white blood cells, platelets and plasma. Each part has specific and important tasks, from carrying oxygen to carrying out waste products.

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 …

May 29, 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 …

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

Jan 16, 2024 · How does blood work, and what problems can occur? The components of blood include plasma, platelets, and red and white blood cells that circulate through the body. Blood …

Feb 4, 2020 · Blood is made up of plasma, red blood cells, white blood cells, and platelets. Bone marrow is where red and white blood cells, and platelets are made. Red blood cells carry …

The body contains about 5 to 6 quarts (about 5 liters) of blood. Blood performs various essential functions as it circulates through the body: Once blood is pumped out of the heart, it takes 20 …

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.

Blood picks up oxygen from the lungs and nutrients from the gastrointestinal tract and carries them to cells throughout the body for metabolism. It picks up carbon dioxide and other wastes …