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1.2 Gaseous Exchange
General Science · Grade 11 · 14 lessons in the design
What you will be able to do
- identify the structures of the human respiratory system
- relate the structures of the human respiratory system to their functions
- investigate the mechanisms of breathing in human beings
- explain factors that affect the rate of breathing in human beings
- describe the diseases of the human respiratory system, their prevention and control for healthy living
- appreciate the role of gaseous exchange in human beings
Key questions
“Why is gaseous exchange significant in human beings?”
Lessons
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Gaseous exchange
40 min · 1 practice tasks · quizExplain gaseous exchange and why it is needed.
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Structures of the respiratory system
40 min · 1 practice tasks · quizIdentify the structures of the human respiratory system.
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Adaptations of the respiratory system
40 min · 1 practice tasks · quizRelate the structures of the respiratory system to their functions.
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Gaseous exchange across the alveoli
40 min · 1 practice tasks · quizExplain how gases are exchanged across the alveoli.
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The mechanism of breathing
40 min · 1 practice tasks · quizInvestigate the mechanism of breathing in human beings.
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Demonstrating breathing with a model
40 min · 1 practice tasks · quizDemonstrate the breathing mechanism using a model.
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Regulation of breathing
40 min · 1 practice tasks · quizExplain how breathing is regulated in the body.
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Factors affecting the rate of breathing
40 min · 1 practice tasks · quizExplain the factors that affect the rate of breathing.
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Breathing and lung capacity
40 min · 1 practice tasks · quizDescribe tidal volume and vital capacity.
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Bronchitis and pneumonia
40 min · 1 practice tasks · quizDescribe bronchitis, pneumonia, their prevention and control.
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Asthma
40 min · 1 practice tasks · quizDescribe asthma, its causes, prevention and control.
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Tuberculosis
40 min · 1 practice tasks · quizDescribe tuberculosis, its prevention and control.
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Preventing respiratory diseases
40 min · 1 practice tasks · quizDescribe the prevention and control of respiratory diseases and create awareness.
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Review of gaseous exchange
40 min · 1 practice tasks · quizReview the respiratory system, breathing, factors and diseases.