Delete Content. A plasma membrane is permeable to specific molecules that a cell needs. Transport proteins in the cell membrane allow for selective passage of specific molecules from the external environment. Each transport protein is specific to a certian molecule (indicated by matching colors).
The pancreas contains cells which release both insulin and glucagon. The endocrine system consists of a number of different glands which secrete hormones that dictate how cells and organs behave.
The pancreas is recognised by many of us as having an effect on blood sugar levels but there are many more organs which play a role in diabetes. Choose a system by hovering over it and see the role that different organs, hormones and responses play in ensuring the body functions.