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Efficient exchange surface - PowerPoint PPT Presentation

Specification reference

Specification reference. (a) explain, in terms of surface area:volume ratio, why multicellular organisms need specialised exchange surfaces and single-celled organisms do not (HSW1);

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665 views • 66 slides

Exchange surfaces

Module F211 1.2.1 Exchange surfaces and breathing. Exchange surfaces. Lesson objectives: To describe the features of an efficient exchange surface Describe the diffusion of oxygen and carbon dioxide across an alveolus. The need for an exchange system in multicellular organisms.

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529 views • 28 slides

Exchange surfaces

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298 views • 28 slides

The lung as an organ of exchange

The lung as an organ of exchange. Learning intentions. Describe the features of an efficient exchange surface with reference to diffusion of oxygen and carbon dioxide across an alveolus. Describe the features of the mammalian lung that adapt it to efficient gas exchange.

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207 views • 15 slides

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Efficient exchange surface - PowerPoint PPT Presentation

Specification reference

Exchange surfaces

Exchange surfaces

The lung as an organ of exchange