5:47:00 PM
Heart , in  anatomy , hollow muscular organ that pumps blood through the body. The heart, blood, and blood vessels make up the circulator...
Reviewed by Ramchandra poudel on 5:47:00 PM Rating: 5
5:13:00 PM
Heart , in  anatomy , hollow muscular organ that pumps blood through the body. The heart, blood, and blood vessels make up the circulato...
Reviewed by Ramchandra poudel on 5:13:00 PM Rating: 5

nervous system

4:40:00 PM
The  nervous system  has two divisions: the central nervous system and the peripheral nervous system. The central nervous system includes t...
nervous system nervous system Reviewed by Ramchandra poudel on 4:40:00 PM Rating: 5
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