Year 11 Exam  >  Year 11 Notes  >  Biology for GCSE/IGCSE  >  Investigating the Differences in Inspired & Expired Air

Investigating the Differences in Inspired & Expired Air | Biology for GCSE/IGCSE - Year 11 PDF Download

Investigating the Differences in Inspired & Expired Air

  • A basic experimental setup can be utilized to examine the differences between inhaled and exhaled air.

Investigating the Differences in Inspired & Expired Air | Biology for GCSE/IGCSE - Year 11

  • Inhalation draws air through boiling tube A.
  • Exhalation directs air into boiling tube B.
  • Lime water is initially clear but turns cloudy (or milky) when carbon dioxide is bubbled through it.
  • The lime water in boiling tube A will stay clear, while the lime water in boiling tube B will turn cloudy.
  • This demonstrates that exhaled air has a higher percentage of carbon dioxide compared to inhaled air.

Question for Investigating the Differences in Inspired & Expired Air
Try yourself:
What can be observed when exhaled air is bubbled through lime water compared to inhaled air?
View Solution

The document Investigating the Differences in Inspired & Expired Air | Biology for GCSE/IGCSE - Year 11 is a part of the Year 11 Course Biology for GCSE/IGCSE.
All you need of Year 11 at this link: Year 11
110 videos|158 docs|34 tests

Top Courses for Year 11

FAQs on Investigating the Differences in Inspired & Expired Air - Biology for GCSE/IGCSE - Year 11

1. What is the difference between inspired and expired air?
Ans. Inspired air is the air that is breathed in, while expired air is the air that is breathed out. Inspired air contains more oxygen and less carbon dioxide compared to expired air.
2. How do inspired and expired air differ in terms of temperature and humidity?
Ans. Inspired air is typically cooler and drier compared to expired air, which is warmer and more humid due to the exchange of gases and moisture in the lungs.
3. What gases are exchanged between inspired and expired air in the respiratory system?
Ans. The main gases exchanged between inspired and expired air are oxygen and carbon dioxide. Oxygen is taken in during inspiration, while carbon dioxide is released during expiration.
4. How does the body ensure that inspired air is suitable for gas exchange in the lungs?
Ans. The body filters, warms, and humidifies inspired air as it passes through the nasal passages and respiratory system to make it suitable for gas exchange in the lungs.
5. Why is it important to understand the differences in inspired and expired air for respiratory health?
Ans. Understanding the differences in inspired and expired air helps in comprehending how the respiratory system functions and how the exchange of gases impacts overall health and well-being. It also aids in diagnosing and managing respiratory conditions effectively.
110 videos|158 docs|34 tests
Download as PDF
Explore Courses for Year 11 exam

Top Courses for Year 11

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Semester Notes

,

Objective type Questions

,

past year papers

,

study material

,

Exam

,

mock tests for examination

,

Sample Paper

,

Summary

,

Free

,

Investigating the Differences in Inspired & Expired Air | Biology for GCSE/IGCSE - Year 11

,

shortcuts and tricks

,

Investigating the Differences in Inspired & Expired Air | Biology for GCSE/IGCSE - Year 11

,

Previous Year Questions with Solutions

,

Extra Questions

,

practice quizzes

,

Investigating the Differences in Inspired & Expired Air | Biology for GCSE/IGCSE - Year 11

,

video lectures

,

ppt

,

MCQs

,

pdf

,

Important questions

,

Viva Questions

;