PARTS OF HUMAN BODY
The human body is more like an entire factory, that produce from the raw materials in the environment, what we need to be strength and good health.
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Human Heart Structure and Functions
The Human heart is a hollow, muscular organ that pumps blood through the blood vessels by repeated, rhythmic contractions.
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Human Eye and the Sense of Sight
The human eye is the organ of vision. It has a complex structure consisting of a transparent lens that focuses light on the retina.
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