BLOOD

Blood is a fluid in humans and animals that delivers necessary substances such as nutrients and oxygen to the cells and transport metabolic waste products aways from the same cells

Blood is circulated around the body through blood vessels by the pumping action of the heart. In animals with lungs and arterial blood carries oxygen from inhaled air to the tissues of the body.

Blood performs many importance to the body like supplies of oxygen to tissues and regulations of core body temperature.

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