Practice Exhalation (Expiration) - 14.3.2 | 14. Respiratory System | ICSE Class 9 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens to the diaphragm during exhalation?

💡 Hint: Think about the opposite of how it behaves during inhalation.

Question 2

Easy

Which gas is primarily expelled during exhalation?

💡 Hint: Remember the waste products of our cellular processes.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What occurs during exhalation?

  • Diaphragm contracts
  • Diaphragm relaxes
  • Chest expands

💡 Hint: Think about the opposite action of inhalation.

Question 2

True or False: Exhalation is necessary for removing oxygen from the body.

  • True
  • False

💡 Hint: Consider what each breath reliably takes out versus takes in.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a person is unable to exhale effectively due to a condition, what physiological changes occur in the lungs that could negatively impact gas exchange?

💡 Hint: Think about how pressure and space relate to gas flow.

Question 2

Describe a scenario in which exhalation might not be occurring effectively and outline its potential consequences.

💡 Hint: Recall the process of inhalation and how it relates to exhalation.

Challenge and get performance evaluation