Biology
Oxygen accounts for ____ % of totals human body mass?
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___________ are needed as a source of energy for the vital activities of the body?
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Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
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__________ is essential for the formation of hemoglobin.
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The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?
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Blood is carried towards the heart by __________?
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Sythetic insulin from pork was formed by which technique?
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On wound __________ fight foreign particles, like bacteria?
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The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?
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