Select the Correct Sequence of Events That Occur During Inspiration

question 15

Multiple Choice

Select the correct sequence of events that occur during inspiration.

• A) Internal intercostals and diaphragm contract, size of thoracic cavity increases, gas pressure in the lungs decreases, air flows in.
• B) External intercostals and diaphragm contract, size of thoracic cavity increases, gas pressure in the lungs decreases, air flows in.
• C) Internal intercostals and diaphragm contract, gas pressure in the lungs decreases, size of thoracic cavity increases, air flows in.
• D) External intercostals and diaphragm contract, size of thoracic cavity increases, gas pressure in the lungs increases, air flows in.

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