Question

State the importance of a well developed blood capillary network in the alveoli

Answer 1

Answer:

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Answer 2

Answer:

alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going . although they are microscopic , alveoli are the workhorses of your respiratory system .

You have about 480 million alveoli , located at end of bronchial tube. when you breathe in, the alveoli expand to take in oxygen . when you breathe out , the alveoli shrink to expel carbon dioxide