Circulatory System

April 6, 2006

circulatory_system.jpg1.

1. What are the 3 major organs of circulatory system?
The 3 major parts of circulatory system are: heart, blood & blood vessels.

a. What is heart?
Heart is the pumping station of our body.
It has lower chambers & upper chambers.
Lower chambers are also called ventricles and upper chambers are also called atrium.

b. What is blood?
Blood is a red fluid that flows in our body.
Blood composed of Red blood cells, White blood cells & plasma.

c. What is blood vessels?
Blood vessels are tubelike in our body where blood flows.
Blood vessels have 3 types which consists of veins, arteries & capillaries.

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April 6, 2006

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