What function do the kidneys serve in the urinary system?

What function do the kidneys serve in the urinary system?

• A. Generate offspring
• B. Filter blood and regulate body fluids
• C. Support body structure
• D. Transport oxygen

Answer: (B)

The kidneys play a crucial role in the urinary system, primarily focusing on filtering blood and regulating body fluids. Each kidney contains millions of tiny structures called nephrons, which are responsible for the filtration process. As blood passes through the nephrons, waste products, excess salts, and water are removed, producing urine. Additionally, the kidneys help maintain homeostasis by regulating the balance of electrolytes, acid-base levels, and blood pressure. They filter toxins and metabolites from the blood, ensuring that the body's internal environment remains stable and healthy. Through processes like reabsorption and secretion, the kidneys are able to adjust the composition of body fluids, demonstrating their vital role in fluid balance and waste elimination. Other options in the context of kidney functions do not apply; generating offspring is related to the reproductive system, supporting body structure correlates with the skeletal system, and transporting oxygen pertains to the circulatory system through red blood cells and hemoglobin, not kidney functions. Thus, the kidneys' primary responsibilities solidly align with filtering blood and regulating body fluids.

The kidneys play a crucial role in the urinary system, primarily focusing on filtering blood and regulating body fluids. Each kidney contains millions of tiny structures called nephrons, which are responsible for the filtration process. As blood passes through the nephrons, waste products, excess salts, and water are removed, producing urine.

Additionally, the kidneys help maintain homeostasis by regulating the balance of electrolytes, acid-base levels, and blood pressure. They filter toxins and metabolites from the blood, ensuring that the body's internal environment remains stable and healthy. Through processes like reabsorption and secretion, the kidneys are able to adjust the composition of body fluids, demonstrating their vital role in fluid balance and waste elimination.

Other options in the context of kidney functions do not apply; generating offspring is related to the reproductive system, supporting body structure correlates with the skeletal system, and transporting oxygen pertains to the circulatory system through red blood cells and hemoglobin, not kidney functions. Thus, the kidneys' primary responsibilities solidly align with filtering blood and regulating body fluids.