Human digestive system

Vòng quay này có gì (10 lựa chọn)

• What is the alimentary canal? Name its main parts in order.
• What is the function of the stomach in digestion?
• What happens to food in the small intestine?
• Imagine that food could move through the alimentary canal but the stomach could not produce digestive juices. How would digestion be affected? Give a reason for your answer.
• What is mechanical digestion?
• Give one example.
• What is chemical digestion?
• Name one substance that helps in chemical digestion.
• How does chewing help in the digestion of food?
• A student says, “Mechanical digestion and chemical digestion are the same because both break down food.” Do you agree? Explain the difference with an example.