noey123
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#1
guys im struggling

what are the efffect of dehydration on blood flow and blood pressure
what happens to the blood vessels?( please explain in detail)
also my teacher said something about adh levels but i didnt catch it so plz explain this

and also what happens to blod vessels when the body is under stress? please explain this one in detail too
thank you xxx
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chocochip_
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if you don’t get any replies by tomorrow PM me and i’ll explain it to you 😊
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noey123
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(Original post by noor.m)
if you don’t get any replies by tomorrow PM me and i’ll explain it to you 😊
thank you, that's very nice of you x
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kokaled
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I haven't studied this but I'm going to try to deduce an answer with common sense and previous knowledge :

Dehydration = less H2O
Less H20 = More viscous Blood
More viscous Blood = higher pressure needed (as more resistance to blood flow) to make it reach organs, etc. at normal rate
higher pressure is then obtained by blood vessels contracting (ever notice how putting your thumb in front of a tap's opening causes water to burst out faster)

ADH would constricts blood vessels so more would be released if less H2O (also as the more ADH is released the more H2O is reabsorbed from kidneys)

Now I'm not sure about all this so someone get back to me if what I said is correct I simply used my common sense and my knowledge on ADH function in kidneys to provide and explanation; I love this about human biology
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