A. Residual air B. Tidal volume C. Vital capacity D. R.Q
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A. 15-20 times B. 10-15 times C. 20-30 times D. 40-50 times
A. Residual air B. Respiratory rate C. Vital capacity D. Tidal volume
A. Biceps B. Flexor C. Intercostal muscles D. Cardiac muscles
A. Breathing occurs B. Breathing and external respiration occurs C. Breathing, external respiration and cellular respiration occurs D. Only inspiration occurs
A. Our lungs do not get enough supply of blood B. Swallowing and breathing cannot go together at the same time C. Lungs are compressed as stomach anlarges D. More energy is required during eating
A. because of low oxygen content in the air at high altitudes B. because of ratified air which puts strain on lungs to supply enough oxygen to the blood C. because at high altitude air cause asthma and lung infection D. none of ...
A. Increase B. Decrease C. Stop D. No affect
A. medulla B. vagus nerve C. cerebrum D. cerebellum