Answer:
<em>What is the role of alveoli in respiration ⇔ Alveoli are the place where the exchange of gases takes place. The outer part of alveoli has blood vessels. These vessels are carrying Co2 rich blood to exchange at the alveoli. The O2 from the alveoli is diffused into the blood while co2 is sent into the lungs. That O2 rich blood is then carried to heart to pump it to the whole body. and this process continues. </em><em>The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.</em>
Explanation:
<em></em>
<u><em>I hope this helps and have a good day!</em></u>
Hola!
<span>En la teoría de la música, una escala es cualquier conjunto de notas musicales ordenadas por frecuencia o tono fundamental. Una escala ordenada al aumentar el tono es una escala ascendente, y una escala ordenada por un tono decreciente es una escala descendente.
</span><span>¡Espero que esto ayude!
</span>
~Lauv
Mitosis - <span>It is a process of cell multiplication that is characterized by a chromosome duplication and a cell division. The result is that the daughter cells will have the same number of chromosomes as the mother cell.</span>
<span>Other factors found within its environment can make pioneer species still germinate and thrive. Factors like wind, presence of animals, rain, among others, can help in the germination of the pioneer species even if its immediate environment becomes inhospitable through time.</span>
