Which structure is the final layer for oxygen to encounter before diffusing into the bloodstream?

a. surfactant layer
b. alveolar space
c. capillary wall
d. bronchioles

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to

The chemical form of energy that is useable by the cell to do work

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?