(Solved): As the lungs expand, intra-alveolar pressure and air moves the lungs. incrases : into decreases: ou ...

As the lungs expand, intra-alveolar pressure and air moves the lungs. incrases : into decreases: out of increases : out of decrases : into QUESTIONSA The digestion of proteins begins in the with the activation of the zymogen small intestine : trypsin stomach : pepsin small intestine : chymotrypsin mouth:pepsin