Explain subdivisions of bronchi. -Biology

Explain subdivisions of bronchi. -Biology
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Last Answer : a) A disease of the airways characterized by destruction of the walls of overdistended alveoli. Emphysema is a category of COPD.

Which one of the following is the correct statement for respiration in humans ? (1) About 90% of carbon dioxide (CO2 ) is carried by haemoglobin as carbamino-haemoglobin (2) Cigarette smoking may lead to inflammation of bronchi (3) Neural signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration (4) Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.

Description : Which one of the following is the correct statement for respiration in humans ? (1) About 90% of carbon dioxide (CO2 ) is carried by haemoglobin as carbamino-haemoglobin (2) Cigarette smoking ... of inspiration (4) Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.

Last Answer : (4) Workers in grinding and stone-breaking industries may suffer, from lung fibrosis.

The smooth muscle structure that is relaxed by cholinergic drugs is: A. Colon B. Gastric fundus C. Major bronchi D. Bladder trigone

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Last Answer : D. Bladder trigone

The smooth muscle stimulating action of 5-HT is most marked in the: A. Bronchi B. Intestines C. Ureter D. Biliary tract

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Last Answer : B. Intestines

The smooth muscle structure that is relaxed by cholinergic drugs is: A. Colon B. Gastric fundus C. Major bronchi D. Bladder trigone

Description : The smooth muscle structure that is relaxed by cholinergic drugs is: A. Colon B. Gastric fundus C. Major bronchi D. Bladder trigone

Last Answer : D. Bladder trigone