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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 | |