16 Questions
Which of the following is NOT an accessory organ of the digestive system?
Stomach
What is the main function of the digestive system?
Altering the chemical and physical composition of food
Which organ is responsible for the production of digestive juices used in the process of digestion?
Liver
What is the difference between mechanical and chemical digestion?
Mechanical digestion involves physical breakdown of food, while chemical digestion involves the use of enzymes.
Which part of the digestive system is responsible for the process of ingestion?
Pharynx
What is the main function of saliva in the mouth during digestion?
To begin the digestion of carbohydrates
What is the role of the intestinal villi and microvilli in the absorption process?
To increase the surface area for nutrient absorption
What are the main activities performed by the digestive system?
Ingestion, propulsion, digestion
Which stage of swallowing is voluntary and involves moving food from the mouth to oropharynx?
Oral stage
What is the function of churning motion in the stomach during digestion?
To mix food with gastric juice and liquefy it
Which substance in saliva aids in the non-specific defense against microbes?
Immunoglobulin
What is a significant function of peristalsis in the digestive system?
To move food through the esophagus to the stomach
What is the primary function of saliva in relation to taste perception?
Moistening food to facilitate tasting
Which component of saliva is essential for cleansing and lubricating the mouth?
Mucus
What is the composition of saliva in terms of water content?
99%
What is a significant role of lysozyme, a component of saliva, in digestion?
Destruction and killing of microbes
Test your knowledge on the digestive system with this quiz based on Chapter 10. Explore the process of digestion and the components of the gastrointestinal tract and accessory organs.
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