Answer:
Spirometry is a type of pulmonary function test (PFT), a noninvasive procedure that provides important information about how well the lungs are working. More specifically, it reveals how much air is moving through the lungs and how quickly as you breathe through a tube.
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right side up is the answer, all the rest are wrong
D. A mole digging tunnels in the ground
Use a graph data. plot the points on a graph and connect the dots to form a line