<span>Pulmonary ventilation is:
</span>More commonly called breathing, is largely involuntary action the moves air into (inspiration) and out of (expiration) the lungs in response to changes in blood O2 and CO2 levels and nervous stimulation of the diaphragm and intercostal muscles.
Answer: Out of all the options shown above the one that best represents what Pulmonary ventilation is can be understood in answer choice A) the process by which air is moved into and out of the lungs.
