1) An enzyme in saliva that can break the chemical bonds in starch. a) b) c) d) 2) Which organ is responsible for the absorption of nutrients? a) b) c) d) 3) A type of digestion that involves enzymes and water. a) Chemical digestion b) Mechanical digestion c) Chemical absorption d) Mechanical absorption 4) In the human body, hydrochloric acid is responsible for the lower pH of the contents of this organ. a) b) c) d) 5) In the pathway of food, the food enters the mouth and wastes are eliminated in what organ? a) b) c) d)

排行榜

视觉风格

选项

切换模板

恢复自动保存: