Summary of Digestive System

Question 1

role of the digestive system

Answer 1

The process in which carbohydrates, protiens and fat molecules are broken down to be absorbed into the blood

Question 2

6 basic activities that the digestive system achieves

Answer 2

• Ingestion of food and water
• Mechanical digestion of food
• Chemical digestion of food
• Movement of food along the alimentary canal
• Absorption of digested food and water into the blood and lymph
• Elimination of material that is not absorbed

Question 3

What is mechanical digestion

Answer 3

Breakdown of food into smaller particles

- Occurs in the mouth stomach

Question 4

What is chemical digestion

Answer 4

Salivary glands contain mucas and a digestive enzyme that breaks down large molecules into smaller ones

Question 5

primary source of amino acids + fatty acids

Answer 5

foods

Question 6

descibe the stomach

Answer 6

Three layers

• oblique
• circular
• longitudinal

Causes mechanical digestion

Question 7

describe the small intestine

Answer 7

4 incisors
- chisel shaped teeth used for bitting and cutting

2 canines
- used for tearing

4 premolars
- two on each side of the jaw

6 molars
- ideal for crushing and grinding food