Which organ in the human body is responsible for filtering blood and producing urine?

Kidneys are the primary organs of the excretory system. They filter approximately 180 litres of blood daily through functional units called nephrons — each kidney contains about 1 million nephrons. The kidneys remove waste products (urea, creatinine), excess water, and electrolytes to produce urine. They also regulate blood pressure, pH balance, and red blood cell production.

Which organ in the human body is responsible for filtering blood and producing urine?

The correct answer is B. Kidneys are the primary organs of the excretory system. They filter approximately 180 litres of blood daily through functional units called nephrons — each kidney contains about 1 million nephrons. The kidneys remove waste products (urea, creatinine), excess water, and electrolytes to produce urine. They also regulate blood pressure, pH balance, and red blood cell production.

मानव शरीर में रक्त को छानने और मूत्र बनाने के लिए कौन सा अंग जिम्मेदार है?

उत्तर: (B) वृक्क (Kidney) — वृक्क उत्सर्जन तंत्र के प्रमुख अंग हैं। वे नेफ्रॉन नामक कार्यात्मक इकाइयों के माध्यम से प्रतिदिन लगभग 180 लीटर रक्त को छानते हैं — प्रत्येक वृक्क में लगभग 10 लाख नेफ्रॉन होते हैं। वृक्क अपशिष्ट पदार्थ...