What prevent the lungs and chest wall move inward during expiration

Please answer both Lung compliance generally decreases as people age. If nothing else changes, how would this loss of compliance affect the act of ventilation? How would alveolar pressure and lung volume be expected to change in a person with an airway disease that involves fibrosis? Why

As the diaphragm contracts, the rib cage expands and the lungs fill with air. This is an inhalation true or false

How can problems with ventilation could affect someone's ability to carry out cellular respiration. *

Why it is important for the air to pass through nasal cavity before it enters the lungs?

Why is nitrogen gas not exchanged between the alveoli and the blood in the lung capillaries?

When someone breathes in they can completely exchange old air for new air. True or false.

explain the control of respiration

Why does the inspiratory muscles prevent the lungs from collapsing?

How does obstructive disease effect the lungs