Card 1 of 24
In gas exchange, oxygen and carbon dioxide move by [ ], from [ ].
A
In gas exchange, oxygen and carbon dioxide move by active transport, from lower concentration to higher concentration.
B
In gas exchange, oxygen and carbon dioxide move by diffusion, from lower concentration to higher concentration.
C
In gas exchange, oxygen and carbon dioxide move by diffusion, from higher concentration to lower concentration.
D
In gas exchange, oxygen and carbon dioxide move by osmosis, from higher concentration to lower concentration.
Card 1 of 24