Which organs are a part of the urinary system?

The urinary system is specifically designed to filter blood and eliminate waste from the body while regulating water and electrolytes. The primary organs associated with this system include the kidneys, which filter blood to produce urine, the ureters, which transport urine from the kidneys to the urinary bladder, the bladder that stores urine until it is excreted, and the urethra, through which urine exits the body.

Understanding the components of the urinary system is essential because these organs work together to maintain homeostasis by regulating fluid balance, electrolytes, and the removal of waste products. In contrast, the other options reference organs associated with different body systems. For instance, the heart and lungs are crucial components of the circulatory and respiratory systems, while the stomach and intestines are involved in the digestive system, and glands and vessels relate to various endocrine and vascular functions, respectively. Thus, option B accurately encompasses all principal components of the urinary system.