in which direction does fluid move across the capillary wall at the arterial end of the capillary, in the situation described?



Answer :

In general, fluid enters the interstitial fluid from the capillary. This method is known as filtering.

  • Like all fluids, blood moves from an area of high pressure to one of low pressure. As the pressure gradient decreases, blood moves from arteries through capillaries and veins in the same direction.
  • Diffusion, the transfer of molecules from places of high pressure to low pressure, exchanges fluids when blood travels from arteries to veins through the capillary bed.

Fluids and tiny molecules will be forced through the capillary's pores and openings by the hydrostatic pressure of the blood. Because the hydrostatic pressure inside the capillary is greater than the hydrostatic pressure outside it at the arteriole end, there is a net movement of materials outside the capillary.

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