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HUMANS

Nares are the medical name for the nostrils.

The nostrils of a human serve to give us a faster pathway to our air supply, and they also hold hairs sometimes called vibrissae that catch dirt and germs so that they don't get into our bodies.

AMPHIBIANS

The paired nostril openings (nares) connect to a frog's mouth, so that when on the surface the frog can breathe in air and "swallow" it to the respiratory system. Underwater, frogs take in oxygen through their skin, which is why they avoid stagnant, de-oxygenated water.

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7y ago

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