ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Insulin. Computer graphic showing a part of the molecule of human insulin. Insulin is a hormone which is produced in the pancreas by cells of the Islets of Langerhans. Its function is to regulate blood sugar levels. Insufficient production of insulin leads to an accumulation of glucose in the blood, causing diabetes mellitus.
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