History, asked by maryjaneagu0328, 3 months ago

What were two ways the United States flexed its international muscle in the early-20th Century?

Answers

Answered by sardapatel40
1

Answer:

Various muscles of respiration aid in both inspiration and expiration, which require changes in the pressure within the thoracic cavity (Figure 27-6). The primary muscles of inspiration are the diaphragm, the upper and more lateral external intercostals, and the parasternal portion of the internal intercostal muscles.

I hope it help you....

Similar questions