Blood sugar level several interacting systems, of which hormone regulation is the most important. There are two types of mutually antagonistic metabolic hormones affecting blood glucose levels: These hormones are secreted from pancreatic islets which are bundles of endocrine tissues. There are four types of pancreatic islets, alpha (A) cells, beta (B) cells, Delta (D) cells and F cells. Glucagon is secreted from alpha cells, while insulin is secreted by beta cells. Together they regulate the blood-glucose levels through negative feedback, a process where the end product of one reaction stimulates the beginning of another reaction. In blood-glucose levels, insulin lowers the concentration
Blood Sugar Sex Magik Tour years later on the Stadium Arcadium World Tour. Out of the seventeen songs on the album, "Apache Rose Peacock", "The Greeting Song", "Mellowship Slinky in B Major" and "The Righteous & The Wicked" are the only songs to never be performed. "Naked in the Rain" was performed only twice with it being performed once during the 'Blood Sugar Sex Magik Tour'. "Funky Monks" has been performed three times and only once on the "Blood Sugar Sex Magik Tour". It would not return to the setlist for another fourteen years on the "Stadium Arcadium World Tour" when a fan requested it