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Biology is a large branch of science focus on the study of life.
branches are zoology,botany,microbiology
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Biology is a natural science concerned with the study of living and live organisms including their structure, function, growth, evolution, distribution and taxonomy.

The main branches are:
Zoology: the study of animals and their structure. 

Botany: the study of plants. 
Microbiology: the study of microscopic organisms, and their effect on other organisms. 
Biochemistry: the biological- chemical activities in the human body. 
Molecular Biology: the study of molecular basis of the human body.
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