Practical Questions on Gaseous Exchange

Practical Questions on Gaseous Exchange

This topic covers the practical side of gaseous exchange — how oxygen and carbon dioxide move between organisms and their environment, and how to answer application-based questions on it. It focuses on the mechanisms, su…

• Gaseous exchange is the movement of oxygen into and carbon dioxide out of an organism across a respiratory surface.
• A respirometer measures the rate of oxygen uptake by a living organism.
• Soda lime or potassium hydroxide absorbs carbon dioxide in a respirometer.

~15 min · full explanation, examples & memory tricks in the app