Answer:
Hi how are you doing today Jasmine
I do believe that it is C. crossing over :) I hope that is correct, it seems like the only plausible answer.
Answer:
<h2>Billions</h2>
But Talking about our solar system, we've 8 Planets
Answer:
The function of pulmonary ventilation is to b. maintain adequate alveolar ventilation.
Explanation:
<em>Pulmonary ventilation refers to the movement of air into and out of the lungs, so its main function is to maintain adequate alveolar ventilation.</em> The air moves out of the lungs when the pressure inside the lungs is greater than the pressure in the atmosphere. In the lungs, Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. That's how the oxygen gets into the bloodstream.
