20 Questions
What is the primary function of the digestive system?
To provide nutrients for cell maintenance and growth
Which of the following is NOT an accessory digestive organ?
Small intestine
What is the process that involves muscular movement of the digestive tract to physically break down food into smaller particles?
Mechanical digestion
What is the term for the involuntary, alternating waves of contraction and relaxation of muscles in the organ walls?
Peristalsis
Which activity of the digestive system involves the oral cavity allowing food to enter the digestive tract and mastication (chewing) of food?
Ingestion
What is the primary function of the muscularis externa in the alimentary canal?
Movement and mixing of food through the digestive tract
Which of the following is NOT a function of the mucosa in the alimentary canal?
Stimulation of intestinal glands to secrete their products
What is the main function of the submucosa in the alimentary canal?
Contains blood and lymphatic vessels
What is the role of myenteric plexus in the alimentary canal?
Movement and mixing of food through the digestive tract
Which layer of the alimentary canal contains Meissner’s plexus?
Submucosa
______ digestion involves hydrolysis reactions aided by enzymes to chemically break down food particles into nutrient molecules
Chemical
Carbohydrates are broken down into ______
monosaccharides
Proteins are broken down into ______
amino acids
Fats are broken down into glycerol and ______
fatty acids
The digestive system provides nutrients for cell maintenance and growth. The GIT can be organised into: 1. Alimentary canal (Digestive tract) (mouth, pharynx, oesophagus, stomach, small intestine and large intestine, rectum, and anal canal). 2. Accessory digestive organs (Teeth, tongue, salivary glands, the liver, the gallbladder and the pancreas). The activities of the digestive system The activity of the digestive system can be categorised into 5 processes: 1. _______ 2. Propulsion 3. Digestion 4. Secretion 5. Absorption 6. Defecation
Ingestion
The uptake of nutrient molecules into the epithelial cells of the digestive tract and then into the blood or lymph is known as ______
Absorption
The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. _______ 3. Digestion 4. Secretion 5. Absorption 6. Defecation
Propulsion
The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. Propulsion 3. _______ 4. Secretion 5. Absorption 6. Defecation
Digestion
The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. Propulsion 3. Digestion 4. _______ 5. Absorption 6. Defecation
Secretion
The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. Propulsion 3. Digestion 4. Secretion 5. _______ 6. Defecation
Absorption
Test your knowledge about the digestive system and the gastrointestinal tract (GIT), including the alimentary canal and accessory digestive organs. Learn about the activities and processes involved in the digestive system.
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