explain why its hard to keep your mouth closed when you yawn. 641 viewsJanuary 3, 2024 Question91.02K March 22, 2020 0 Comments explain why its hard to keep your mouth closed when you yawn. In: Biology 1 Answer ActiveNewestOldest Anonymous Posted March 22, 2020 0 Comments I think it’s because your brain is trying to get oxygen to your brain so it forces your mouth to open as wide as possible as to inhale as much air as you can. Register or Login
Latest Answers