justin5647
02.02.2021 •
Biology
Which of the following is true about the mitochondrion of a cell?
It has only one membrane.
It has no membrane.
It is circular.
It is where cellular respiration occurs.
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Ответ:
it is where cellular respiration occurs
Explanation:
Ответ:
The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases
its also in your lungs