Digestive system

 Compiled by Oba Mike INSTRUCTION: Practice without the answers first. 1. The digestive system functions majorly in: Intake and transportation of gases to tissues Distribution of nutrients to tissues Reduction of complex food substances into absorbable forms Elimination of bacteria 2. An accessory digestive organ is: Mouth Stomach Pancreas Caecum 3. Chemical digestion is mostly carried out by: Teeth and tongue Skeletal and smooth muscle Enzymes and acids Hormones and mucus 4. The simple columnar epithelium lining the stomach and intestines function in: Absorption Protection Digestion excretion 5. Chemical digestion is mostly carried out by: Teeth and tongue Skeletal and smooth muscle Enzymes and acids Hormones and mucus 6. A superior relation of the oral cavity is: Palate Tongue Cheek Oropharynx 7. During chewing, food is kept between the upper and lower teeth by the action of: Mandible and maxilla Buccinator and orbicularis oris Tongue and lips Hard and soft palate 8. Which of thi...