This video provides the relevant information that you need to understand the pancreas, the nature of its secretions along with the mechanism of release of insulin and glucagon and their effects on the body. timeline: 0:07 introduction 0:30 hetrocine signalling 1:11 release of insulin 2:18 effect of insulin on liver, adipose tissue &skeletal muscles 5:25 release of glucagon 6:30 glucagon effect on liver and adipose tissues 8:13 concept of antagonist and synergist.