Short answer questions
1. List the parts of alimentary canal in correct sequence.
2. What is the role of saliva in digestion?
3. What are enzymes and how do they function?
4. Name the parts of small intestine and large intestine.
5. List the end products of carbohydrate, protein, and fat digestion.
6. Give any two functions of bile.
7. What is indigestion?
Answers
Answer:
1 The various organs in sequence are mouth, oesophagus , stomach , small intestine, large ingestine and anus
2 it moistens the mouth and helps compact food into softened particles for easier swallowing.
3Enzymes create chemical reactions in the body.
4small intestine, which is divided into the duodenum, jejunum, and ileum. The large intestine (colon or large bowel) is about 5 feet
long and about 3 inches in diameter. The colon absorbs water from wastes, creating stool. As stool enters the rectum, nerves there create the urge to defecate
5 Carbohydrates, proteins, and fats are digested in the intestine, where they are broken down into their basic units:
Carbohydrates into sugars.
Proteins into amino acids.
Fats into fatty acids and glycerol.
6Indigestion can have causes that aren't due to underlying disease. Examples include eating too much, drinking too much, food intolerance or taking pills on an empty stomach