👉 Yearly fluid, also known as total body water (TBW), refers to the amount of water present in an individual's body over the course of a year. This includes all the water found in various compartments such as intracellular fluid (ICF), extracellular fluid (ECF), and interstitial fluid. The ECF is further divided into two main parts: the plasma (a component of blood) and the interstitial fluid (surrounding cells). Yearly fluid accounts for approximately 60% of an adult's body weight, with the remaining 40% comprising intracellular fluid and other water-related components like sweat, urine, and respiratory water. Understanding yearly fluid is crucial for assessing hydration status, maintaining bodily functions, and preventing dehydration or overhydration.
