👉 The previous fluid refers to the liquid medium that acts as a carrier for various substances, including nutrients, hormones, and waste products, within living organisms. This fluid can take several forms, such as blood in animals or plasma and interstitial fluid in humans. It plays a crucial role in maintaining homeostasis, facilitating transport, and supporting cellular functions by providing an environment where biochemical reactions can occur efficiently. In essence, the fluid is essential for the proper functioning of biological systems.