The human gas exchange system and breathing
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Lesson outcome
Waxaan sharxi karaa sida aadanuhu u neefsado, oo ay ku jiraan doorka qaybaha kala duwan ee nidaamka is-weydaarsiga gaaska.
Introduction
In this lesson: I can describe how humans breathe, including the roles of different parts of the gas exchange system. The structures and functions of the gas exchange system in humans. The mechanism of breathing, including the role of muscles, to move air in and out of the lungs.
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The structures and functions of the gas exchange system in humans.
The mechanism of breathing, including the role of muscles, to move air in and out of the lungs.
A pressure model to explain the movement of gases during breathing.
Worksheet
not available yet
Quizzes
1. Which of the following organs is involved in breathing in the human body?
- Heart
- Stomach
- Liver
- Correct answer:Lungs
2. In which living process is oxygen used to release energy?
- Correct answer:Respiration
- Nutrition
- Excretion
- Movement
- Growth
1. Which part of the gas exchange system contracts and relaxes to change the volume of the lungs?
- Alveolus
- Bronchus
- Correct answer:Diaphragm
- Correct answer:Intercostal muscles
- Ribcage
What pupils see
The same lesson as a pupil sees it. You can set any section as work on its own.
- IntroductionPrepare
- Starter quizActivate · 2 questions
- Lesson videoLearn
- Exit quizCheck · 1 question
This content is by Cashar and published under an open licence.