About 60% of the human body is composed of water. This percentage can vary based on several factors including age, gender, and body composition. For instance, infants have a higher percentage of body water, around 75%, while in older adults, this can drop to about 50%.
Water plays a crucial role in various bodily functions, including regulating temperature, transporting nutrients, and aiding digestion. It is essential for maintaining overall health and well-being, emphasizing the importance of staying properly hydrated.