Esophagus
Stomach
Small intestine
Large intestine
Cloaca
That's just the alimentary track (minus the couple that come before esophagus such as mouth and pharynx) so if you need digestive glands and accessory organs let me know cause I know those too
Giraffe, horses, and zebras
I think it will be RNA for both questions
Cellulose is found in the cell walls of plant cells. It is permable so any substance disolveabls in water can pass through so it dose not act as a barrier. It gives the cell its strength and support. As water moves in to the cell by osmosis it stops the cell from bursting.