Answer:
there is the answer to your question
Answer:
There are from 200-500 million alveoli (mean diameter = 200 micrometers) in adult human lungs
Explanation:
The epithelial cells of the alveolar septum are markedly thinned and the capillary network immediately beneath the epithelium is the richest in the body.hope this helps you :)
Answer:They have a large number of mitochondria.
Answer:
They face vary of things such as asexual reproduction
Explanation: