Is it true that substances are carried from the blood in capillaries to tissues in a liquid called tissue fluid? What is the extracellular fluid in most tissues is called? What is a tissue fluid?   Tissue fluid is the the fluid that surrounds the bodies cells, or technically it bathes the cells in the body or cleans them.
The most important function of immune system is to defend the body from different disease causing pathogens. Whenever there is pathology in human body, immune system is activated to protect the vital tissues from harm.
2. Ascorbate has a myriad of important functions within an organism and within a cell, including dozens of important functions related to cell repair and division, energy production, and antioxidant effects which neutralize toxins. Vitamin C in large doses is probably the very best general antiviral agent that exists.