The alveolar and intrapleural pressures are dependent on certain physical features of the lung. The major mechanisms that drive pulmonary ventilation are atmospheric pressure ( P atm) the air pressure within the alveoli, called alveolar pressure ( P alv) and the pressure within the pleural cavity, called intrapleural pressure ( P ip). Pulmonary ventilation is the act of breathing, which can be described as the movement of air into and out of the lungs. Discuss factors that can influence the respiratory rate.Describe the respiratory centers of the pons.Describe the respiratory centers of the medulla oblongata.Outline the mechanisms behind the control of breathing.Discuss the meaning of respiratory volume and capacities.Discuss the physical factors related to breathing.
List the steps involved in pulmonary ventilation.
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