Animal Digestive Systems

3. Most ruminant animals have no upper front ______
6. Ruminants eat _______ and do not chew their food completely before swallowing it, but can chew their cud for hours.
7. The 3rd chamber; tight, basketball shaped compartment; resembles the pages of a book
8. Dairy Cows spend almost ____ hours a day chewing their cud.
11. Good bacteria in the rumen help the cow digest her food and provide her with ______ and energy.
13. an organism that has a simple single-chambered stomach
15. In a large dairy cow, the rumen has the capacity to store and process up to 50 _______ of food at a time.
16. The 4th chamber; similar to the human stomach

1. Many of the _________ that grow on earth cannot be used directly by humans as food.
2. The 1st and biggest chamber; has a shaggy carpet feel
4. The reticulum works with the rumen to mix and bring the undigested feed back up the __________, in the form of cud, to be re-chewed.
5. Ruminants have ____ different chambers in their stomach
6. The 2nd chamber; small, outcropping of the rumen; has a honeycomb pattern
9. In place of teeth, ruminants have a hardened ___, which they use to crush food.
10. a grazing or browsing animal that chews cud
12. Because of the ___________ in the rumen, ruminants can convert otherwise unusable plant materials into nutritious food (e.g., milk and meat) and fiber (e.g., wool).
14. The pH of the abomasum
16. The abomasum rehydrates with _____ to begin final stages of digestion