Podcast
Questions and Answers
Which pressure is responsible for the force exerted by a fluid pressing against a wall?
Which pressure is responsible for the force exerted by a fluid pressing against a wall?
At which end of the capillary is the hydrostatic pressure (HP) greater?
At which end of the capillary is the hydrostatic pressure (HP) greater?
What is the osmotic pressure (OP) created by?
What is the osmotic pressure (OP) created by?
Why does fluid leave the capillary at the arterial end?
Why does fluid leave the capillary at the arterial end?
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Why is some fluid reclaimed by the capillary at the venous end?
Why is some fluid reclaimed by the capillary at the venous end?
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Study Notes
Pressure in Fluids
- Hydrostatic pressure is responsible for the force exerted by a fluid pressing against a wall.
Pressure in Capillaries
- Hydrostatic pressure (HP) is greater at the arterial end of the capillary.
- Osmotic pressure (OP) is created by the concentration of solutes.
Fluid Movement in Capillaries
- Fluid leaves the capillary at the arterial end due to higher hydrostatic pressure.
- Some fluid is reclaimed by the capillary at the venous end due to higher osmotic pressure.
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Description
Test your knowledge on capillary dynamics and the exchange of gases and nutrients through diffusion. Learn about hydrostatic pressure and how it affects filtration in capillaries. Challenge yourself to understand the opposing forces at work in the interstitial fluid.
