Q. I. On an average a healthy human breathes 12-16 times/minute II. The volume of air involved in the breathing movements can be estimated by spirometer III. Diaphragm is very useful in both inspiration and expiration Which of the above statements are incorrect? Choose the correct option
A) I and II
B) II and III
C) I and III
D) None of these
Explanation
Diaphragm is very useful in both expiration and inspiration. On an average, a healthy human breathes 12-16 times/minute. The volume of the air involved in breathing movements can be estimated by using a spirometer, which helps in the clinical assessment of pulmonary functions
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.