Human Urinary System Diagram: Kidneys and Bladder Anatomy #30708 (License: Personal Use)

This line-drawing diagram illustrates the core components of the human urinary system, with the paired kidneys positioned retroperitoneally on either side of the spine and the urinary bladder located centrally in the pelvic region. Arrows and labels clearly identify each organ, emphasizing their spatial relationship and basic structure for educational purposes.

Used in medical textbooks, health education websites, and patient-facing materials to explain urinary anatomy; matches user intent for learning or teaching basic human physiology.