Mouth
Start of digestive tract
Cloaca or Anus
End of digestive tract
Buccal Cavity/Oral Cavity
1st in general digestive tract
Pharynx
2nd in general digestive tract
Esophagus
3rd in general digestive tract
Stomach
4th in general digestive tract
Intestine
5th in general digestive tract
Kidney
Osmoregulation
Nitrogenous waste (animals outside the water)
Gonads
Produce gametes and maintain secondary sex organs
Ovaries for female
Testes for male
Oviparous
Females lay eggs and development takes place externally
Viviparous
Females give birth to free living young
Euviviparous
Nourishment and gas exchange provided by placenta
Ovoviviparous
Emryo develops within an egg