Top Facts You Should Know About the Parts of the Human Body System | FAMILY GUY

The human body is a single structure but it is made up of billions of smaller structures of four major kinds: cells, tissues, organs, and systems. An organ is an organization of several different kinds of tissues so arranged that together they can perform a special function.
Brain. The brain is the body's control center.
Heart. The heart is the most important organ of the circulatory system, which helps deliver blood to the body.
Lungs. The lungs work with the heart to oxygenate blood.
Liver.
Kidneys.
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