Question

Which of the following statements are true of pulmonary ventilation? Choose all that apply.
Group of answer choices

during inspiration the ribs are elevated, which widens the thoracic cavity

pressure changes in the thoracic cavity drive the movement of air into and out of the lungs

during inspiration, the diaphragm contracts and moves inferiorly, which causes the thoracic cavity to become larger

during inspiration, the diaphragm contracts and moves superiorly, which causes the thoracic cavity to become smaller

contraction of th

Answer 1

1. During inspiration the ribs are elevated, which widens the thoracic cavity
2. Pressure changes in the thoracic cavity drive the movement of air into and out of the lungs
3. During inspiration, the diaphragm contracts and moves inferiorly, which causes the thoracic cavity to become larger