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Pani-rosa [81]
3 years ago
14

Why do the walls of the capillaries and air sacs have to be thin

Biology
1 answer:
dmitriy555 [2]3 years ago
7 0
The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through.Carbon dioxide diffuses from the blood into the alveoli.
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Because the species of finches on the Galápagos island have various appearances but still mate with other finches and produce fertile offspring making it is difficult for scientists to distinguish between two groups of individuals as separate species.

<h3>What is the island of Galápagos?</h3>

The Pacific Ocean island of Galápagos is located to the west of Ecuador. It is a volcanic island known for its diverse and endemic types of living things.

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Answer:Hello My name is Marissa and im here to help!

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