Question

what happens to the diaphragm during inhalation? a the diaphragm moves upward. b the diaphragm remains still. c the diaphragm contracts. d the diaphragm relaxes.

Explanation:

During inhalation, the diaphragm contracts. This contraction causes it to flatten and move downward, increasing the volume of the thoracic cavity and decreasing the pressure inside it, allowing air to flow into the lungs.

Answer:

C. The diaphragm contracts