Practice Human Respiration - 7.5.2 | 7. Air Pressure | ICSE 11 Engineering Science
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Human Respiration

7.5.2 - Human Respiration

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What muscle primarily helps in inhalation?

💡 Hint: Think about the muscle that sits at the bottom of your rib cage.

Question 2 Easy

What happens to pressure inside the lungs during inhalation?

💡 Hint: Remember the air flows in when the pressure is lower.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What causes air to flow into the lungs?

Increased lung pressure
Decrease in lung pressure
Atmospheric pressure equals lung pressure

💡 Hint: Remember what happens when you inhale.

Question 2

True or False: The diaphragm contracts during exhalation.

True
False

💡 Hint: What happens to the diaphragm when you breathe out?

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss how changes in altitude may affect human respiration, specifically focusing on air pressure differences.

💡 Hint: Consider what happens to air pressure as you climb a mountain.

Challenge 2 Hard

Analyze how external devices like ventilators utilize principles of air pressure to assist in breathing.

💡 Hint: Think about how a pump helps move air in and out.

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Reference links

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