Animal Respiratory System
Biology ⇒ Animal Biology
Animal Respiratory System starts at 9 and continues till grade 12.
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See sample questions for grade 11
Describe how the respiratory system of birds differs from that of mammals.
Describe how the structure of alveoli aids in efficient gas exchange.
Describe the difference between external and internal respiration.
Describe the path of air from the external environment to the alveoli in humans.
Describe the process of gas exchange in the alveoli of mammalian lungs.
Explain how the structure of fish gills increases the efficiency of gas exchange.
Explain the role of hemoglobin in the transport of respiratory gases.
Explain the significance of the countercurrent exchange system in fish gills.
Explain why amphibians can respire through their skin.
Explain why aquatic animals like fish need a continuous flow of water over their gills.
Explain why some aquatic animals, such as dolphins and whales, have lungs instead of gills.
In a scenario where a mammal is exposed to high levels of carbon dioxide, what immediate effect would this have on its breathing rate?
Name the muscle primarily responsible for inhalation in mammals.
State one reason why birds can fly at high altitudes where oxygen levels are low.
