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Welcome to eGyanKosh, your one-stop resource for comprehensive study materials tailored for IGNOU students. In this section, we present Unit-2: Water and Electrolytes, a crucial component of your academic journey in 2025. Designed to enhance your understanding of the essential role that water and electrolytes play in biological systems, this study material offers in-depth insights, key concepts, and practical applications. Best of all, it’s available for free download, ensuring that you have access to high-quality educational resources right at your fingertips. Dive into the material and empower your studies with eGyanKosh!