👉 An involved fluid, often referring to blood or a similar bodily fluid, is a liquid substance produced by the body's tissues that plays crucial roles in various physiological processes. Primarily, blood is involved in transporting oxygen and nutrients to cells, delivering waste products for elimination, and regulating body temperature. It also serves as a medium for immune responses by carrying white blood cells and antibodies. The involved fluid's composition, including proteins, hormones, and various electrolytes, ensures the maintenance of homeostasis and overall bodily function.