Mouth of a frog: web-footed amphibian which lives near lakes and ponds. Moves by swimming and jumping.
Vomerine teeth: teeth set in the frog's vomer.
Gullet opening: the beginning of the opening of the second part of the digestive tract.
Vocal sac opening (male): opening of the sac related to the voice of the male frog.
Tongue: taste organ of the frog, which is also used to capture prey.
Glottis: opening of the larynx.
Eustachian tube opening: opening at throat level that is connected to the ear.
Maxillary teeth: teeth set in the jaw of the frog.
Internal nostril: orifices of the respiratory tract in the frog's mouth.