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NGR5003 Exam 1 Module 4 Questions and Answers
NewNGR5003 Exam 1 Module 4 Questions and Answers 
 
 
intercostal muscles - ANSWERS-- The external intercostal muscles increase the AP chest diameter during inspiration, and the internal intercostals decrease the lateral diameter during forceful expiration. 
 
Interior of chest - ANSWERS-- The interior of the chest is divided into three major spaces: the right and left pleural cavities and the medias- tinum. 
- The mediastinum, situated between the lungs, contains the heart and major blood vessels...