The gastroesophageal reflux disease, is a disorder of digestive system which affects the esophageal sphincter. Many people suffer from heartburn or acid indigestion caused by this disease. The overweight and pregnant individuals suffer from this disease.
In normal process of digestion, the esophageal sphincter opens to allow food to pass into the stomach and close so as to prevent food and acidic juices from stomach from flowing back to the esophagus. This disease makes the esophagus sphincter weak , that causes the stomach's contents to move up into the esophagus, this may result in vomiting. The acids in the stomach may cause ulcers.
Cytoplasm is kind of like cell blood. Cell membrane is cell skin, I've legit never heard of a cell skeleton in my life and centrioles are RNA processors.
