Biology
Which of the following systems in man is affected by the bite of cobra ?

Circulatory
Digestive
Excretory
Nervous

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Biology
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

Exact concentration of solution is not given
The flow of solution is not possible through semi permeable membrane
Character of semi permeable membrane is not given
All are incorrect

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