Two of these cells produce the hormones insulin and glucagon. The beta cells create and secrete insulin. The alpha cells create and secrete glucagon. These two hormones are responsible for maintaining the glucose level in blood at a constant rate so that all the cells have the required energy to perform their functions.
strand1 (strand),USA pronunciation v.t. 1  to drive or leave (a ship, fish, etc.) aground or ashore:The receding tide stranded the whale. ( 2 usually used in the passive) to bring into or leave in a helpless position:He was stranded in the middle of nowhere.
The performance indicators should not be viewed as a checklist of skills void of understanding and application. In other words.... A content strand is a specific guideline as to what teachers should be teaching and what students should be learning in regards to mathematical curriculum. Using a broad range of content students should be able to connect mathematical to the real world as well as other content areas.