Which of the following is not a true statement?
A) When the diaphragm relaxes, it returns to a domelike shape.
B) When the diaphragm contracts, it pulls the floor of the thoracic cavity downward.
C) Changes in thorax size bring about inspiration and expiration.
D) Raising the ribs decreases the depth and width of the thorax.

Question

Quizplus · Accepted Answer

Raising the ribs actually increases the depth and width of the thorax, allowing for increased lung expansion during inspiration.

Which of the Following Is Not a True Statement