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.
A student observes that a goldfish opens and closes its mouth rapidly in water. Explain the reason for this behavior.
Which gas is exhaled in the highest concentration during respiration?
(1) Oxygen
(2) Nitrogen
(3) Carbon dioxide
(4) Hydrogen
Which of the following animals uses book lungs for respiration?
(1) Earthworm
(2) Spider
(3) Fish
(4) Bird
Which of the following animals uses its skin as a major respiratory organ?
(1) Frog
(2) Bird
(3) Snake
(4) Cow
Which of the following best describes the path of air in the human respiratory system?
(1) Nose → Trachea → Bronchi → Alveoli
(2) Mouth → Esophagus → Stomach → Lungs
(3) Nose → Larynx → Esophagus → Lungs
(4) Mouth → Trachea → Stomach → Alveoli
Fill in the blank: The exchange of gases between blood and body cells is called __________ respiration.
Fill in the blank: The movement of air into and out of the lungs is called __________.
Fill in the blank: The opening through which air enters the respiratory system in insects is called a __________.
Fill in the blank: The process of breathing in is called __________.
True or False: All animals have the same type of respiratory system.
True or False: Birds have a more efficient respiratory system than mammals due to the presence of air sacs.
True or False: Earthworms rely on moist skin for respiration.
True or False: Insects use lungs for respiration.
