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Chemical Coordination and Integration
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Solution:
The endocrine pancreas consists of islets of
Langerhans. There are about 1 to 2 million islets of
Langerhans in a normal human pancreas representing
only 1 to 2 per cent of the pancreatic tissue. The two
main types of cells in the islets of Langerhans are called
α -cells and β-cells.