Chloride shift occurs in response to _____

Which of the following is passive process?

Emphysema is marked by __

External nostrils → vestibules → nasal chambers → internal nares → naso pharynx → X → lary…

Which of the following organisms undergo respiration through diffusion?

Every 100 ml deoxygenated blood delivers around ___ carbon dioxide to alveoli.

Trachea is a straight tube extending up to the ____

Fibrosis may be caused due to_______