Subject :NSO Class : Class 6
Subject :ICSO Class : Class 10
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
Ans 1:
Class : Class 5
Hi all,
The pathogens of disease can be transferred from infected mother to the foetus only through placenta. it is because all the nutrients are poured into the body of the foetus by placenta in the womb. Placenta is the only biological connection between the mother and the unborn baby in the womb. The foetus is not out of the womb of the mother to feed through her breast milk.
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
Because hair present in nose keeps the dust particles away and prevent it to went inside of nose but in mouth the dust particles can easily go.
Of course breathing from mouth is a bad habit.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 5