Respiration physiology – the machinery of fish breathing

This part will give a short overview of the respiratory system in fish. In the lab exercise in this activity you will be able to test how flow affects the exchange of gases, and get a better understanding of the problems fish encounter in order to get oxygen from water.

The assignment – find out the answers!

How are the fish gills constructed, and how does this intricate machinery actually work?
What is important for the uptake of oxygen
How is blood and water pumped over the gills?

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Let's investigate these questions in the lesson that follows >>