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.
A white bump or cyst on the inside of the lip is a mucus cyst, also called a mucocoele, according to Skinsight. It can form anywhere but is usually found on the lower lip. Continue Reading. A white bump or mucous cyst forms on the lip when the salivary glands get blocked.