A. the vagus serve B. cerebellum C. medulla oblongata D. cerebral peduncle
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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. Total lung capacity B. The residual volume C. The tidal volume D. The vital capacity
A. lines the nasal passage B. envelops the brain C. envelops the lungs D. envelops the kidney
A. epiglottis B. soft palate C. glottis D. hard palate
A. Chemical energy B. Electrical energy C. Mechanical energy D. Radiant energy
A. Lactic acid B. Alcohol C. Acetaldehyde D. Acetyl Co-A
A. Alveoli B. Bronchioles C. Lungs D. Nostrils
A. hypoxia B. anoxia C. asphyxia D. pleuracia
A. Oxygen conc. increases B. Carbon dioxide conc. increases C. Bicarbonate conc. increases D. Bicarbonate conc. decreases