WAEC - Biology (1990 - No. 18)
Gaseous exchange takes place in the adult toad through the
buccal cavity, bladder and lungs
buccal cavity, skin and lungs
tympanic membrane, lungs and gills
buccal cavity, skin and spiracle
gills skin and buccal cavity
Explicaţie
The toads breathe through their mouth, skin and lungs. The mouth cavity is also referred to as the buccal cavity.