Gas Exchange Demonstration Using Amphibians
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Questions and Answers

What is the formula to calculate O2 consumption in a frog?

O2 consumption = ∆PO2 * βO2 * V / (t * m)

Calculate the O2 consumption in μmol O2·g⁻¹·min⁻¹ when ∆PO2 = 20.26 - 18.93 kPa, βO2 = 12.52, V = 0.7 L, t = 20 min, and m = 100 g.

0.00582 μmol O2·g⁻¹·min⁻¹

To make the O2 consumption value more intuitive, what value is it converted to per hour?

0.349 μmol O2·g⁻¹·h⁻¹

Given skin gas exchange of 0.34 μmol·g⁻¹·h⁻¹ and lung gas exchange of 1.8 μmol·g⁻¹·h⁻¹, what percentage of total gas exchange occurs across the skin?

<p>15.88%</p> Signup and view all the answers

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