Which Event Occurs in Response to an Increase in Thoracic

Question

Which event occurs in response to an increase in thoracic volume?
A) The respiratory control center is activated.
B) Air moves into and through the respiratory passages.
C) Intrapleural pressure becomes greater than intrapulmonic pressure.
D) Air is exhaled.

Accepted Answer

As the thoracic volume increases, it creates a negative pressure within the chest leading to the movement of air into and through the respiratory passages. This process is known as inspiration.