Lymph or tissue fluid is formed when plasma, proteins, and blood cells escape through capillary walls into intercellular spaces. It serves as a colorless fluid similar to blood plasma, with fewer proteins. Lymph drains excess fluid and carries digested fats from the intestine back into the blood.
What is the role of lymph or tissue fluid in the transportation system, and how is it formed?
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Lymph, or tissue fluid, serves a vital role in the transportation system by facilitating the exchange of materials between blood and cells. Formed through the leakage of plasma, proteins, and blood cells through capillary walls into intercellular spaces in tissues, lymph resembles blood plasma but is colorless and contains fewer proteins. Acting as an intermediary fluid, lymph collects excess fluid from the extracellular space, drains digested fats from the intestine, and transports these substances via lymphatic capillaries to larger lymph vessels. Ultimately, lymph re-enters the blood circulation, contributing to fluid balance and nutrient transport in the body.