फेफड़ों की ढ़कने वाला आवरण कहलाता है ? - What is the covering of the lungs called? - lungs Ki dhakne Wala Awarann Kehlata Hai ? General Science in hindi, Biology plura question answers in hindi pdf aansu questions in hindi, Know About cebum General Science online test General Science notes in hindi quiz book sirosa
Lungs ek chilli dwara gira rahata hai jisse pleuralal membrane kahate Hain