👉 The bureau fluid, also known as the central fluid or interstitial fluid, is a vital component of biological systems, primarily found within the interstitial spaces between cells. It serves as a medium for the transport of nutrients, oxygen, and waste products, facilitating cellular metabolism and communication. Composed mainly of water, proteins, and various dissolved substances, this fluid plays a critical role in maintaining homeostasis and supporting the physiological functions of tissues and organs. It acts as a buffer, helping to regulate pH levels and ensuring that cells operate within optimal conditions. The bureau fluid also participates in immune responses by transporting immune cells and signaling molecules, thus contributing to the body's defense mechanisms.