In summary, your stomach breaks your food into smaller pieces and mixes it with all of the above secretions in mechanical digestion. Parietal cells secrete hydrochloric acid and intrinsic factor. Chief cells secrete pepsinogen, chymosin and gastric lipase.
IM 14 And have been biting the insides of my cheeks and lip for years now. Itâs a habit that I just canât break. Iâve been told that sense I have ADHD its a reason that I do it, but Iâm not sure if thatâs true.
Quick Answer. The first step to treating any lip injury is to stop bleeding by applying pressure, according to the University of Rochester Medical Center. Because the lips have a large blood supply, lip cuts tend to bleed excessively. If the injury is on the outside of the lip, clean the area well, and apply an antiseptic spray or lotion. For cuts inside the lip, simply rinse the mouth to remove any particles.