Answer:
Major parts: Blood Vessel, Heart, Blood
Functions:
Blood vessels-Blood vessels are the channels or conduits through which blood is distributed to body tissues
Heart-heart is a muscle, and its job is to pump blood throughout your circulatory system.
Blood-transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss. carrying cells and antibodies that fight infection. (just choose one sentences)
Types of blood vessels: arteries, veins, and capillaries.
Types of blood: A, B, AB and O.
Explanation:
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