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<h3>sand is a substance: because is a mixture of two or more material which are not completely comband tougher but are phsicla comband tougher</h3>
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Explanation:
Endocrine cells in the pancreas are referred to as Islets of Langerhan. There are two major types; Beta cell that produce insulin and alpha cells that produce glucagon.
They are identified when viewed under slides based on their colour reactions with histological dyes. Tinctorial techniques that can be used to identify them under microscope includes; Mallory-Heidenhain azan trichrome, chromium hematoxylin and phloxine, aldehyde fuchsin, and silver impregnation methods.
Islets of Langerhan cells make up minority of the cell. Majority of them are for exocrine functions.
What statements??? There is nothing there
Insects has a broad range of species and they are able to easily adapt according to their surroundings, hence increasing their survivability rate
