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Does the blood pressure at the root of aorta equal the blood pressure in the brachial artery?

I've heard it does, but it doesn't quite seem to make sense as I'd think the blood pressure would be lowered the further it travels?

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Blood pressure is mostly dependent on the height from the heart. Therefore, if it is below the heart it will have higher blood pressure and if it is above the heart it will have lower blood pressure.

Here you are asking from two parts of body that have same height as the heart,

so they will have approximately the same blood pressure.

For more see: Netter's Anatomy Page 136 and Campbell Biology

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  • $\begingroup$ You can quote Pascal's law too :) $\endgroup$
    – WYSIWYG
    Commented Jan 16, 2016 at 19:13
  • $\begingroup$ Hmm. Right , Thank u for every thing , for editing my posts , for helping me to improve my knowledge and for many other things, Thank U... :) $\endgroup$
    – M.Y.Ard.Ir
    Commented Jan 16, 2016 at 19:47
  • $\begingroup$ But I'm confusing , Why no one vote up my posts????? $\endgroup$
    – M.Y.Ard.Ir
    Commented Jan 16, 2016 at 19:48
  • $\begingroup$ It is up to the community.. If someone finds your post useful then they'll vote, don't worry.. If you can add some references or calculations in your post then I'll be happy to upvote.. $\endgroup$
    – WYSIWYG
    Commented Jan 16, 2016 at 19:53
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    $\begingroup$ Well done @M.Y.Ard.Ir - much better! $\endgroup$
    – rg255
    Commented Jan 16, 2016 at 20:41

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