Describe the formation of tissues fluid and lymph

As fluid enters the tissue space from the blood stream pressure builds up in this space and as this hydrostatic pressure increases it causes the interstitial fluid to diffuse into the lymphatic capillaries once the interstitial fluid has entered the lymphatic capillaries it is called lymph

Tissue fluid is formed because of the high hydrostatic pressure of the blood at the arteriole end of the capillary that pushes fluid out of the blood.These valves are large enough to allow proteins, which are too big to get into the capillaries, into the lymph vessels.

or

Tissue fluids is formed because of the high Hydrostatic pressure of the capillary that pushes fluids out of the blood. These valves are large enough to allow protiens, which are too big to get into the capillaries, into the lymph vessel.

Explanation:

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: