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How big do you think the surface area of the alveoli in one set of human lungs is? 7 m 2 70 m 2 170 m 2.

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Presentation on theme: "How big do you think the surface area of the alveoli in one set of human lungs is? 7 m 2 70 m 2 170 m 2."— Presentation transcript:

1 How big do you think the surface area of the alveoli in one set of human lungs is? 7 m 2 70 m m 2

2 Messenger and Scribe Organise yourselves into groups of four. Nominate one person from your group to be messenger…

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4 Memorise….

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6 Recreate!

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8 The alveoli One cell thick - squamous epithelial cells Covered in network of capillaries Folded Found in large numbers in the lungs

9 The alveoli under the microscope

10 Emphysema: based on the image alone – what do you think the symptoms of emphysema are?

11 Pneumonia: based on the image alone – what do you think the symptoms of pneumonia are?

12 Making Notes Alveoli as an Exchange Surface Cells involved? Tissues involved? Main features? How do they apply to Ficks law?

13 ACBBACBB

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