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 9
Describe how the respiratory system of a frog changes as it develops from a tadpole to an adult.
Describe the main difference between external and internal respiration.
Describe the pathway of air from the nose to the alveoli in mammals.
Describe the role of cilia and mucus in the respiratory tract of mammals.
Explain how amphibians can breathe both in water and on land.
A researcher observes that a certain aquatic animal has a respiratory system that allows water to flow in one direction over its respiratory surface, while blood flows in the opposite direction. What is the name of this mechanism, and why is it advantageous?
A student observes that a certain animal can survive for long periods without breathing, especially during hibernation. Explain the physiological adaptations in the respiratory system that might allow this animal to survive extended periods with low oxygen intake.
A deep-sea fish is brought rapidly to the surface. Predict and explain what might happen to its respiratory system and overall survival.
In which group of animals is the countercurrent exchange mechanism found in the respiratory system?
(1) Mammals
(2) Birds
(3) Fish
(4) Reptiles
Which of the following animals has air sacs as part of its respiratory system?
(1) Bird
(2) Fish
(3) Mammal
(4) Insect
Which of the following animals relies mainly on cutaneous respiration?
(1) Bird
(2) Earthworm
(3) Fish
(4) Insect
Which of the following animals uses tracheal tubes for respiration?
(1) Frog
(2) Fish
(3) Insect
(4) Bird
During exhalation, the pressure inside the lungs is __________ than the atmospheric pressure.
During inhalation in mammals, the diaphragm moves __________.
Fill in the blank: The movement of air into and out of the lungs is called __________.
Fill in the blank: The process of breathing in is called __________.
True or False: All animals use lungs for respiration.
True or False: All vertebrates have lungs.
True or False: Birds have a more efficient respiratory system than mammals.
True or False: Carbon dioxide is a waste product of cellular respiration.
