NEET Exam Model Paper 1

Question : 4 of 180

Marks: +1, -0

Which one of the following is a possibility for most of us with regard to breathing, by making a conscious effort?

One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all
The lungs can be made fully empty by forcefull out breathing of total air from them
One can out breathe air totally without oxygen
One can out breathe air through eustachian tubes by closing both the nostrils and the mouth

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