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Questions and Answers
Which of the following does NOT occur during inspiration?
Which of the following does NOT occur during inspiration?
- Intercostal muscles contract.
- Chest cavity increases in size.
- Diaphragm lowers
- Diaphragm relaxes. (correct)
Which of the following statements concerning expiration is true?
Which of the following statements concerning expiration is true?
- The chest cavity increases in size.
- The diaphragm moves upward (correct)
- The intercostal muscles contract to force air out of the lungs.
- The ribs move upward and outward
