Choose the correct statement. A Our lungs remove large amounts of CO2 (180 ml/minute) and also significant quantities of water everyday. B An adult human excretes, on an average, 1 to 1.5 litres of urine per day C Analysis of urine helps in clinical diagnosis of many metabolic disorders as well as malfunctioning of kidney D Urine is slightly acidic (pH 6) has a characteristic odour.
