Whether there is a net flow of fluid into or out of a capillary at a given point along its length depends upon
A) whether the fluid contains nutrients or wastes.
B) whether or not the fluid contains oxygen.
C) the balance between blood pressure and osmotic pressure.
D) the needs of the tissue.

Question

Quizplus · Accepted Answer

The net flow of fluid into or out of a capillary depends on the balance between blood pressure and osmotic pressure. Blood pressure pushes fluid out of the capillary, while osmotic pressure (caused by the presence of proteins and other solutes) tends to draw fluid back into the capillary. The exact balance between these pressures can vary depending on the specific location in the capillary and the needs of the surrounding tissues.

Whether There Is a Net Flow of Fluid into or Out