How is sodium chloride and sucrose useful?

Sodium chloride (table salt) is essential for maintaining fluid balance, nerve function, and muscle contractions in the body. It is also widely used as a preservative and flavor enhancer in food. Sucrose (table sugar) serves as a primary source of energy for the body and is important for metabolic processes. Additionally, it is commonly used in food products for flavoring and as a preservative due to its ability to inhibit microbial growth.