What are the similarities and differences between gas exchange in mammals and fish?

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Jackson Smitham asked a question: What are the similarities and differences between gas exchange in mammals and fish?
Asked By: Jackson Smitham
Date created: Wed, Jul 7, 2021 11:14 PM
Date updated: Mon, Oct 3, 2022 12:32 AM

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Mammals and insects both get their oxygen from air, while fish get oxygen from water. Water has a much lower oxygen concentration than air, and is harder to ventilate because it is more viscous. This means fish need to have a more efficient gas exchange system to get enough oxygen from the water.

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