Practice Ventilation Mechanism - 6.4.2 | Human Physiology | IB 12 Biology
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Ventilation Mechanism

6.4.2 - Ventilation Mechanism

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What happens to the diaphragm during inhalation?

💡 Hint: Think about the diaphragm's shape.

Question 2 Easy

What is the result of diaphragm relaxation?

💡 Hint: What does a decreasing volume do to pressure?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What occurs during inhalation?

Diaphragm relaxes
Diaphragm contracts
Thoracic cavity decreases

💡 Hint: Remember the action of the diaphragm when you breathe in.

Question 2

True or False: Exhalation requires active muscle contraction.

True
False

💡 Hint: Think about how you breathe out normally.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how a respiratory condition like asthma might affect the ventilation mechanism.

💡 Hint: Consider what happens to the air passages and how it affects breathing.

Challenge 2 Hard

Design an experiment to measure the effects of exercise on ventilation rate.

💡 Hint: Think about how your body reacts when you exercise.

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Reference links

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