Lungs are used for breathing air by animals with what?
unidirectional exoskeleton contracting fins four limbs gills kinetic energy eight eyes
A B C D E F G H
Land Animals Land animals have four limbs.
Lungs are used for breathing air by animals with four limbs.
Lungs are used for breathing air by animals with what? (A) unidirectional (B) exoskeleton (C) contracting (D) fins (E) four limbs (F) gills (G) kinetic energy (H) eight eyes