Answer 1 of 6: Ihave read many postings about the weather in Roatan and there is sometimes conflicting info but overall it seems to be that -March can sometimes still be rainy(it looks like it is at the end of the rainy season) -April has very little rain Am...
* D cells produce somatostatin; and. * F or D1 cells produce pancreatic polypeptide. These hormones are all polypeptides. Insulin is secreted only by the B cells whereas the other hormones are also secreted by the gastrointestinal mucosa and somatostatin is also found in the brain.
The pancreas produces 2 antagonistic hormones to control blood sugar: glucagon and insulin. 1  The alpha cells of the pancreas produce glucagon. 2  Insulin is produced by the beta cells of the pancreas.he endocrine system uses 2 hormones to regulate the digestive function of the pancreas: secretin and cholecystokinin (CCK) . 1  Cells in the lining of the duodenum produce secretin in response to acidic chyme emerging from the stomach.