1.

Which one of the following is the correct statement for respiration in humans ?A. Workers in grinding and stone-breaking industries may suffer, from lung fibrosisB. About `90%` of carbon dioxide `(CO_(2))` is carried by haemoglobin as carbamino haemoglobinC. Cigarette smoking may lead to inflammatino of bronchiD. Neutral signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration

Answer» Correct Answer - 1


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