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In this video, we explore what is meant by the surface area to volume ratio of an organism. We then look at how to calculate the surface area to volume ratio. We then explore how gills are used by fish to increase the absorption of oxygen into the bloodstream.
This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credits:
Amoeba By dr.Tsukii Yuuji - [ Ссылка ], CC BY-SA 2.5, [ Ссылка ]
Fish Public Domain, [ Ссылка ]
Gills By User:Uwe Gille - Own work, CC BY-SA 3.0, [ Ссылка ]
