O Diaphragm contracts and flattens External intercostal

Last updated: 8/30/2023

O Diaphragm contracts and flattens External intercostal contract raising the ribs O Atmospheric pressure forces air into the lungs Alveolar sacs fill with air O All of the above is occurring 71 A by product of protein metabolism found in urine is O Uric acid O Urea Ammonia Water 72 What is the substance called that covers the mucous layer of the bladder protecting it from urine and bacte O Glycogen O Serous Fluid O Glycocalyx Surfontent