Question

multiple cholce question
what effect does contraction of the diaphragm have on thoracic cavity volume?
o decreases thoracic cavity volume
o increases thoracic cavity volume

Explanation:

When the diaphragm contracts, it moves downward. This movement increases the volume of the thoracic cavity. This is a key part of the process of inhalation in the respiratory system.

Answer:

increases thoracic cavity volume