Air flows out of the alveoli and into the atmosphere when atmospheric pressure is _____ than alveolar pressure. equal to lesser greater

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There are_____ 0 3 O 300 millions O 10 O 3,000 O 100,000 alveoli in the lungs

bronchioles [ Choose ] (Choose] lead to the alveolar ducts, which terminate in the alveoli cilia thin, sensitive structures where actual gas exchange occurs in lungs area that includes the lingual and palatine tonsils at back of mouth includes the visceral and parietal membranes around lungs cellular structures that propel mucus & particles toward pharynx alveoli TChoose] pleura [ Choose ] oropharynx [ Choose ] 71 VISon Mome Snd PU 6:57 Thicci B Just now Send a chat

The lung disease which causes the alveolar walls to erode away so there is less air exchange surface is called ___ .     asthma     bronchopneumonia     chronic bronchitis     pulmonary emphysema

If the pressure inside the lungs decreases, outside air is forced into the airways by __________.

L A Moving to another question will save this response. Question 28 Which of the below would have the lowest PO2? O Alveolar blood O Expired air O Venous blood O Alveolar air

Trachea cannot be ventilated. im confused by what ventilated means here

Ordinary air is about ____ % oxygen.

29. Expired or exhaled air will passed from "4" to ____________.       trachea     larynx     primary bronchus     lungs