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Subjects>Beauty & Health>Health Conditions

Why lungs have small external opening?

Anonymous

∙ 16y ago

Updated: 11/16/2022

size of an openig is a compromis betwin a need to have enough air and risck of drying respiratory membrane(it can only conduct air and CO2 when moist)

Wiki User

∙ 16y ago

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Q: Why lungs have small external opening?

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Which term refers to the external opening of the urethra?

The external opening of the urethra is called the meatus or urethral meatus.

What major organ is involved external respiration?

The major organ involved in external respiration is the lungs. External respiration is the process by which oxygen is taken in from the air and carbon dioxide is eliminated from the body through the lungs.

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Why do lungs have small external openings when large openings would let in more air?

There is an advantage to a smaller opening which is that it is easier to trap pathogens like fungal spores and bacteria. This is often cited as to why the lungs don't have openings with a shorter pathway that opens in the chest or back. Some pathogens are trapped in saliva or mucus in the throat but most of it is caught by the mucus in the trachea and bronchi.

The external opening of a canal?

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Lungs and Gills are both used for external respiration

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The opening to book lungs is called a stigma. It allows for gas exchange between the respiratory system and the environment.

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