the answer is true I promise
The answer would be Negative.
Answer:
Explanation:
inspiration 1. inspiratory muscles contract. ...
inspiration 2. thoracic cavity volume increases.
inspiration 3. lungs are stretched. ...
inspiration 4. intrapulmonary pressure drops.
inspiration 5. air flows into lungs down pressure gradient until pulmonary pressure is 0.
C. Not all exercise takes max effort. You can walk as exercise but it’s not putting forth as much as a run or sprint.
