To exhale forcibly, one would contract the: Naim 20:19 The Muscular System To exhale forcibly, one would contract the: A) diaphragm alone. B) internal intercostals and diaphragm. C) external intercostals and diaphragm. D) rectus abdominis and diaphragm. Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+