The respiratory system during inhalation• the inhalation muscles are active• pleural pressure becomes increasingly subatmospheric • alveolar pressure becomes subatmospheric 低於大氣壓 • air flows into the lungs
The respiratory system during inhalation<br>• the inhalation muscles are active<br>• pleural pressure becomes increasingly subatmospheric <br>• alveolar pressure becomes subatmospheric 低於大氣壓 <br>• air flows into the lungs