Swim bladders and the origin of lungs Lungs are found among fishes found in warm or stagnant water, as well as in primitive fishes, and allow the fish to gulp air and undergo diffusion in an environment with relatively low dissolved oxygen levels.
(Swim bladders and the origin of lungs Lungs; are found; L:among fishes) (fishes; found; L:in warm or stagnant water) (the fish; to undergo; diffusion; L:in an environment with relatively low dissolved oxygen levels)
Swim bladders and the origin of lungs Lungs fishes the fish
are found found to undergo
L:among fishes
L:in warm or stagnant water
diffusion L:in an environment with relatively low dissolved oxygen levels