What is human blood made of?

KOMPA.com – Blood is needed to keep living things alive.

The blood is responsible for carrying oxygen and nutrients to all parts of the body so that the various organs of the body can continue to function.

The blood also carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system for elimination from the body.

Additionally, blood works to fight infections and carry hormones throughout the body.

What is blood made of?

Reported by Medline Plus, blood is made up of liquids and solids. The liquid part, called plasma, is made up of water, salt and proteins. More than half of the blood in living things is plasma.

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Meanwhile, the solid part of the blood contains red blood cells, white blood cells and platelets.

Red blood cells work to deliver oxygen from the lungs to all tissues and organs.

Hence, white blood cells are in charge of fighting infections and are part of the immune system.

Meanwhile, platelets help blood to clot when injured.

The bone marrow, the spongy material inside the bones, is a place to make new blood cells.

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Blood cells keep dying and the body will keep making new ones. Red blood cells live about 120 days, while platelets live about 6 days.

Some white blood cells live less than a day, but some live longer.

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