Question

-सीवर की समस्या से मुक्ति पाने के लिए नगर पलिकाअधिकारी को एक प्रार्थना पत्र लिखिए
​

Answer 1

Explanation:

Lungs. The pulmonary arteries carry deoxygenated blood to the lungs, where carbon dioxide is released and oxygen is picked up during respiration. Arteries are further divided into very fine capillaries which are extremely thin-walled. The pulmonary vein returns oxygenated blood to the left atrium of the heart.