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cathydaves
30.07.2019 •
Biology
Give birth to underdeveloped offspring that must finish development in a pouch.
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Ответ:
Ответ:
The Answer is Option D.
Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.