What is the role of water in the human body?

Water plays a fundamental role in the human body by being crucial for hydration, facilitating various chemical reactions, and enabling the transport of nutrients.

Hydration is essential for maintaining bodily functions, as water helps regulate body temperature, keeps joints lubricated, and protects organs and tissues. Without adequate hydration, the body cannot perform optimally.

In terms of chemical reactions, water is involved in numerous metabolic processes, including digestion and cellular respiration. It acts as a medium for chemical reactions to take place, allowing enzymes to function effectively.

Additionally, water is vital for nutrient transport. It helps dissolve vitamins, minerals, and other nutrients, enabling them to be absorbed into the bloodstream and transported to cells throughout the body where they are needed for various functions.

Thus, option B accurately encapsulates the critical functions of water in maintaining health and supporting vital bodily processes.