
Gas exchange unit model
Use the labels to connect each part of gas exchange unit to the core Grade 11 Biology idea.- 1Alveolus -> Oxygen: contains
- 2Capillary -> Carbon dioxide: brings
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Lesson
Breathing and exchange of gases explains ventilation, respiratory surfaces, and how oxygen and carbon dioxide move between air, blood, and tissues.
Learning objectives
Explain Breathing and Exchange of Gases using the correct Grade 11 Biology terms.
Connect the structure, process, pathway, regulation, or comparison the topic depends on.
Use one named example, labelled feature, or significance line wherever the answer needs support.
Lesson
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