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.
Insulin is the most important hormone produced by the pancreas. The pancreas secretes its digestive enzymes, through a system of ducts into the digestive tract, while it secretes its variety of hormones directly into the bloodstream.) The hormones secreted by the endocrine tissue in the pancreas are insulin and glucagon (which regulate the level of glucose in the blood), and somatostatin (which prevents the release of the other two hormones). Source(s): professional nurse. rosieC Â· 8 years ago.