Nutrition in Animals

Choose the correct order of terms that describes the process of
nutrition in ruminants.
(a) swallowing → partial digestion → chewing of cud →
complete digestion
(b) chewing of cud → swallowing → partial digestion →
complete digestion
(c) chewing of cud → swallowing → mixing with digestive
juices → digestion
(d) swallowing → chewing and mixing → partial digestion
→ complete digestion