Breathing and Exchange of GasesHard
Question
Which one of the following is the correct statement for respiration in humans ?
Options
A.About 90% of carbon dioxide (CO2) is carried by haemoglobin as carbamino-haemoglobin
B.Cigarette smoking may lead to inflammation of bronchi
C.Neural signals from pneumotoxic centre in pons region of brain can increase the duration ofinspiration
D.Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.