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Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
Options
(a) One can breathe out air totally without oxygen
(b) One can breathe out air through eustachian tubes by closing both the nose and the mouth
(c) One can consiously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all
(d) The lungs can be made fully empty by forcefully breathing out all air from them
Correct Answer:
One can breathe out air through eustachian tubes by closing both the nose and the mouth
Explanation:
Eustachian tube connect middle ear cavity(Tympanic cavity) with nasopharynx, approximately it is 35 mm long in adults, which helps in breathing out by closing both the nose and mouth.
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Topics: Human Physiology Systems
(35)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The maintenance of internal favourable conditions by a self regulated mechanism
- A stele with a central core of xylem surronded by phloem is called or Actinostele is a modification
- The rhizoids of Funaria are
- An example of reproductive isolation is
- Maximum ozone depletion is caused by
Topics: Human Physiology Systems (35)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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