What are 3 organs of the circulatory system?

Three organs of the circulatory system are:

- Heart: The heart is a muscular organ that pumps blood throughout the body.

- Blood vessels: Blood vessels are channels through which blood flows. There are three types of blood vessels: arteries, veins, and capillaries.

- Blood: Blood is the fluid that circulates throughout the body, transporting oxygen, nutrients, hormones, and waste products.

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