A, human lungs weigh around 2.2 pounds.
Normal unfavorable impacts of ipratropium include upper respiratory contaminations, urinary tract diseases, visit inclination to urinate, grisly or shady pee, bladder torment, compounding of COPD, wheezing, shortness of breath, hack delivering bodily fluid, and snugness in the chest.
I would say either C or D
Hope this helps! :)
