The endocrine pancreas is a part of the pancreas that produces hormones essential for regulating blood sugar levels. It consists of clusters of cells called islets of Langerhans, which secrete hormones like insulin and glucagon. Insulin lowers blood sugar by facilitating the uptake of glucose into cells, while glucagon raises blood sugar by promoting the release of glucose from the liver. These hormones work together to maintain homeostasis in the body. When blood sugar levels rise after eating, insulin is released to help cells absorb glucose. Conversely, when blood sugar levels drop, glucagon is released to ensure the body has enough energy.