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Grade 11Mechanics

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derive proof of cappilars law

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Profile image of baba garg
15 Years agoGrade 11
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1 Answer

Profile image of Vijay Luxmi Askiitiansexpert
ApprovedApproved Tutor Answer15 Years ago

Dear Baba,

Starling's law of the capillaries states that the net filtration = forces favouring filtration vs. forces opposing filtration.

These forces include:

Tonicity, Blod Hydrostatic Pressure (BHP), Blood Colloid Osmotic Pressure (BCOP), Interstitial Fluid Hydrostatic Pressure (IFHP), Interstitial Fluid Colloidal Pressure (IFCOP) and membrane permeability.

Therefore effective filtration pressure (and the application of Starling's Law of the Capillaries) is defined as such:

EFP=(BHP + IFCOP) - (IFHP + BCOP)

Therefore:

BHP + IFCOP moves fluid out of the capillaries and

IFHP + BCOP moves fluid into capillaries