System formed by the mouth, the digestive tract and its glands that uses mechanical action, enzymes or secretions to break down food, absorb nutrients and expel waste. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / QA International |
Taille de l’image : | 5804 px × 11656 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |