The hormone responsible for causing the stomach to release pepsinogens, mucus, and hydrochloric acid is: 12:06 Digestive System The hormone responsible for causing the stomach to release pepsinogens, mucus, and hydrochloric acid is: A) rennin B) bile C) gastrin D) pepsin E) amylase Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+