The last part of the avian alimentary tract is called the cloaca ... Defecation is the final stage in the journey through the avian digestive system. Waste must be excreted through the anus to ...
Some organs belong to more than one organ system. The pancreas, for example, can be considered a part of the digestive system because it secretes enzymes that help the body break down fat, protein, ...
The first part is the proventriculus, or glandular stomach ... However, nectar can be highly diluted with water, so these birds need to drink large quantities and excrete frequently. While the avian ...