Will is not smoking a cigarette anymore. This causes _____ oxygen to be available for diffusion in his lungs, so more oxygen will be absorbed into his blood.
more less
A B
Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.
oxygen gets absorbed
reduces
less
LESS
LESS
oxygen available for diffusion at the lungs in smoking
more
less
oxygen available
oxygen
oxygen
oxygen