NEET Previous Year Question

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

Topic: NEET PYQ

Answer: C. Full step-by-step solution below.

  1. AOne can breathe out air totally without oxygen.
  2. BOne can breathe out air through Eustachian tube by closing both nose and mouth.
  3. COne can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all.
  4. DThe lungs can be made fully empty by forcefully breathing out all air from them.

Correct answer: C

Solution

(c) Breathing can be controlled voluntarily, and diaphragm movement alone can help in breathing, although normally both diaphragm and intercostal muscles are involved.

More Breathing & Exchange of Gases PYQs