Question

In the capillaries, hydrostatic pressure (hp) is exerted by __________. view available hint(s) in the capillaries, hydrostatic pressure (hp) is exerted by __________. proteins in the blood blood pressure

Answer 1

Hydrostatic pressure in capillaries, exerted by blood pressure, drives fluid out of the capillaries and into the tissues. It is generated by the heart's pumping force and varies across the capillary length to facilitate fluid exchange. The balance between hydrostatic and osmotic pressures regulates body fluid distribution.

Step-by-step explanation:

In the capillaries, hydrostatic pressure (hp) is primarily exerted by blood pressure. This capillary hydrostatic pressure (CHP) is the force driving fluid out of the capillaries and into the tissues. It is generated by the pumping force of the heart and is influenced by factors such as the volume of blood confined within the vessels and the elasticity of the vessel walls.

At the arterial end of the capillary, this hydrostatic pressure is typically higher than the osmotic pressure, resulting in fluid and nutrients being pushed into the surrounding tissue space. However, as the blood travels through the capillary to the venule end, the hydrostatic pressure decreases, aiding in the reabsorption of fluid back into the capillaries due to the predominance of osmotic pressure. The balance between hydrostatic pressure and osmotic pressure is crucial for the regulation of fluid volumes in the body's tissues and blood vessels.

Answer 2

Blood pressure

This is indicated in Starling's Hypothesis in which there is fluid movement due to filtration across the wall of capillary. This is dependent between hydrostatic pressure gradient and oncotic pressure across the capillary. The balance of these forces allow the net driving pressure for filtration. The net fluid influc is proportional to this net driving pressure. The leakage of proteins across the capillary membrane has important effects and has corresponding cause in the balance of forces.