Biology, asked by rashkegul, 4 months ago

Is vasoconstriction in winter is possible?​

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Answered by Anonymous
8

Answer:

Exposure  \: to \:  cold   \\ stimulates \:  cold  \: receptors  \:  \\ of \:  the  \: skin  \: which  \:  causes  \: cold  \: thermal \:   \\ sensations  \: and  \: stimulation   \: of \:  the  \: sympathetic   \\ nervous  \: system.   \: Cold \:  induced  \: vasoconstriction \:  \\  increases  \: blood \:  pressure  \: and  \: viscosity   \: and  \:  \\ decreases  \: plasma  \: volume   \\ \: consequently  \: increasing  \\ \:  cardiac  \: work.

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