Avian Digestive System Flashcards
What component isn’t present in the mouth of birds?
teeth
What organ is an extension of the oesophagus that is only present in birds?
a crop
What is the function of the crop?
stores food to be digested later as a survival technique
What organ follows on from the crop?
proventriculus
What happens in the proventriculus?
acids and enzymatic juices are secreted
What organ follows on from the proventriculus?
gizzard
What does the gizzard do?
grinds down food
a replacement for the teeth
What organ follows on from the small intestine?
ceca
What happens in the ceca?
fermentation occurs here
nutrient absorption is minimal due to it’s place in the digestive system
What is a cloaca?
a hole in which all waste products exit the body
there is a fold separating the reproductive tract to the waste excretion organs
