What is the role of blood vessels in the dermis related to thermoregulation?
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Blood vessels being capable to expand and contract play quite important role in thermoregulation
explanation:-
Dermis has rich blood supply far greater than it's requirements which allows precise control of energy loss by radiation , convection and conduction .
when the temperature is high , dilated blood vessels ( vasodilation) increase perfusion heat and loss while in case of low temperature constricted blood vessels ( vasoconstriction ) greatly reduce cutaneous blood flow and conserve heat.
that's just quite simple approach to the concept : blood vessels in dermis play a salient role in thermoregulation.....
hope it help you....✌️✌️✌️✌️
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