Question

During inhalation, the volume of the lungs ___________causing pressure inside them to _________

a. increases; increase
b. increases; decrease
c. decreases; increase
d. decreases; decrease
e stays the same; stay the same that of the p02 in deoxygenated blood in a

Answer 1

b. increases; decrease

Step-by-step explanation:

During inhalation the diaphragm contracts causing the expansion of the lung volume and chest wall. The lung pressure decreases and is lower than the atmospheric pressure causing air to be drawn through the nose/mouth.