Beside mammals, diaphram is also present in:
Correct answer: A. Birds
- A. Birds
- B. Crocodiles
- C. Fishes
- D. Toads
Explanation
Correct Answer: BirdsThe presence of a diaphragm in birds allows for effective respiration by assisting in lung function. While birds have this structure, crocodiles, fishes, and toads do not possess a diaphragm. Crocodiles rely on organ movement, fishes use gills, and toads employ skin and lung respiration methods.
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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About Human Respiratory System
The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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