👉 The Nat-fluid, or plasma, is a vital component of blood and constitutes about 55% of its total volume. It's a complex mixture primarily composed of water, proteins (including albumin, globulins, and fibrinogen), electrolytes, nutrients, hormones, and waste products. This fluid serves as the transport medium for cells, nutrients, and waste throughout the body, facilitating essential physiological processes such as oxygen delivery, immune response, and blood clotting. The unique properties of Nat-fluid, including its low viscosity and high surface tension, enable efficient circulation and effective exchange of substances between blood cells and tissues.