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The circulatory, or cardiovascular system, is composed of
A. heart, arteries and veins.
B. lungs, heart and brain.
C. heart, blood and blood vessels.
D. lungs, blood vessels and heart.

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C. heart, blood and blood vessels.

The cardiovascular system is also known as the circulatory system.It is made up of the heart, the blood vessels namely arteries, veins and capillaries, and approximately five liters of blood.The circulatory system's major functions are to transport  oxygen, hormones, and nutrients to every cell in the body, and to tale away cellular waste products from the cells such as carbon dioxide  and bring them to excretory organs  where they are expelled out of the body.
saadhussain514

Answer:

(C) Heart, Blood and Blood vessels.

Explanation:

The circulatory system is composed of blood vessels that take blood apart from and towards the heart. Arteries move blood aside from the heart and veins bring blood back to the heart. The circulatory system offers oxygen, nutrients, and hormones to cells, and eliminates decay products, like carbon dioxide.

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