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 10
A student observes that a goldfish opens and closes its mouth rapidly in water. Explain the reason for this behavior.
Describe how countercurrent exchange in fish gills increases the efficiency of gas exchange.
Describe the role of hemoglobin in the animal respiratory system.
Explain the difference between aerobic and anaerobic respiration in animals.
Explain why amphibians can respire through both lungs and skin.
Explain why some aquatic animals have developed gills instead of lungs.
Explain why the surface area of respiratory organs is important for gas exchange.
In mammals, the diaphragm is involved in the process of breathing. State its main function.
In which part of the human respiratory system does the exchange of oxygen and carbon dioxide primarily occur?
Name the tiny air sacs in mammalian lungs where gas exchange occurs.
State one reason why aquatic animals like fish cannot survive on land.
