Podcast
Questions and Answers
Which of the following is NOT one of the main steps in the digestive process?
Which of the following is NOT one of the main steps in the digestive process?
- Ingestion
- Absorption
- Circulation (correct)
- Digestion
Which macromolecules are included in human food?
Which macromolecules are included in human food?
- Simple sugars, lipids, and nucleotides
- Proteins, fats, and complex carbohydrates (correct)
- Proteins, fats, and simple sugars
- Nucleotides, lipids, and complex carbohydrates
What are the roles of the liver, pancreas, and gallbladder in digestion?
What are the roles of the liver, pancreas, and gallbladder in digestion?
- Ingestion, propulsion, and elimination
- Nutrient absorption and circulation
- Production and secretion of digestive enzymes and fluids (correct)
- Mechanical and chemical digestion
What is the function of the appendix in the human digestive system?
What is the function of the appendix in the human digestive system?
Which of the following enzymes is NOT involved in the digestion of carbohydrates, proteins, fats, and nucleic acids in the small intestine?
Which of the following enzymes is NOT involved in the digestion of carbohydrates, proteins, fats, and nucleic acids in the small intestine?
Where do the products of fat digestion cross the intestinal wall before entering the blood?
Where do the products of fat digestion cross the intestinal wall before entering the blood?
What is the function of the large intestine in the human digestive system?
What is the function of the large intestine in the human digestive system?
What triggers the defecation reflex in the rectum?
What triggers the defecation reflex in the rectum?
What is the main function of the small intestine?
What is the main function of the small intestine?
Which of the following is NOT an accessory organ of the digestive system?
Which of the following is NOT an accessory organ of the digestive system?
Where does chemical digestion of proteins begin?
Where does chemical digestion of proteins begin?
What is the function of the epiglottis during swallowing?
What is the function of the epiglottis during swallowing?
What is the role of the gastroesophageal sphincter?
What is the role of the gastroesophageal sphincter?
What is the function of bile in digestion?
What is the function of bile in digestion?
What is the role of pancreatic juice in digestion?
What is the role of pancreatic juice in digestion?
What is the function of lysozymes in saliva?
What is the function of lysozymes in saliva?
Which of the following is NOT part of the alimentary canal in the human digestive system?
Which of the following is NOT part of the alimentary canal in the human digestive system?
What is the purpose of enamel on teeth?
What is the purpose of enamel on teeth?
What is the correct order of food passage in the alimentary canal?
What is the correct order of food passage in the alimentary canal?
What is the main function of the human digestive system?
What is the main function of the human digestive system?
What is the role of the liver in digestion?
What is the role of the liver in digestion?
What is the hardest material in the human body?
What is the hardest material in the human body?
Which of the following teeth is pointed for tearing?
Which of the following teeth is pointed for tearing?
What is the involuntary action that directs food into the esophagus?
What is the involuntary action that directs food into the esophagus?
Which of the following is responsible for controlling the timing of defecation?
Which of the following is responsible for controlling the timing of defecation?
Which of the following is responsible for absorbing most of the remaining water and storing waste?
Which of the following is responsible for absorbing most of the remaining water and storing waste?
During swallowing, what happens to the soft palate and epiglottis?
During swallowing, what happens to the soft palate and epiglottis?
What is the main function of the pancreas in digestion?
What is the main function of the pancreas in digestion?
What is the purpose of villi in the small intestine?
What is the purpose of villi in the small intestine?
What are the three juices that mix with food in the small intestine?
What are the three juices that mix with food in the small intestine?
Where do products of fat digestion cross the intestinal wall before entering the blood?
Where do products of fat digestion cross the intestinal wall before entering the blood?
What is the function of the large intestine in the digestive system?
What is the function of the large intestine in the digestive system?
What are the main functions of the digestive system?
What are the main functions of the digestive system?
What are the three types of macromolecules found in human food?
What are the three types of macromolecules found in human food?
What is the process of nutrient absorption in the digestive system?
What is the process of nutrient absorption in the digestive system?
What are the main processes of the digestive system and what are their definitions?
What are the main processes of the digestive system and what are their definitions?
What is peristalsis and how does it function in the digestive system?
What is peristalsis and how does it function in the digestive system?
What is the function of the duodenum in the small intestine?
What is the function of the duodenum in the small intestine?
What is the difference between mechanical and chemical digestion?
What is the difference between mechanical and chemical digestion?
What are the three main functions of the stomach and how does it accomplish them?
What are the three main functions of the stomach and how does it accomplish them?
What is the role of bile salts in fat digestion and where does emulsification of fats occur in the digestive system?
What is the role of bile salts in fat digestion and where does emulsification of fats occur in the digestive system?
What is the function of pancreatic juice and how does it protect the intestinal lining during digestion?
What is the function of pancreatic juice and how does it protect the intestinal lining during digestion?
What are the four types of teeth found in the human mouth and what is their function in the digestive process?
What are the four types of teeth found in the human mouth and what is their function in the digestive process?
What are the three layers of a human tooth and what is the function of enamel?
What are the three layers of a human tooth and what is the function of enamel?
What is the function of saliva in the digestive process?
What is the function of saliva in the digestive process?
What is the function of the pharynx and esophagus in the digestive process?
What is the function of the pharynx and esophagus in the digestive process?
What is the function of villi and microvilli in the small intestine?
What is the function of villi and microvilli in the small intestine?
What is the function of the appendix in the digestive system?
What is the function of the appendix in the digestive system?
What is the role of the pancreas in digestion and where does protein digestion begin?
What is the role of the pancreas in digestion and where does protein digestion begin?
Which organs are considered accessory organs in the digestive system and what are their functions?
Which organs are considered accessory organs in the digestive system and what are their functions?
What is the function of the liver, pancreas, and gallbladder in digestion?
What is the function of the liver, pancreas, and gallbladder in digestion?
What are the three macronutrients found in human food and how are they digested?
What are the three macronutrients found in human food and how are they digested?
What are the two main categories of components in the human digestive system and what are some examples of organs in each category?
What are the two main categories of components in the human digestive system and what are some examples of organs in each category?
What are the functions of the mouth in the digestive process and what are the three pairs of salivary glands that secrete saliva?
What are the functions of the mouth in the digestive process and what are the three pairs of salivary glands that secrete saliva?
What are the four types of teeth that humans have and what is the function of each type?
What are the four types of teeth that humans have and what is the function of each type?
What is the function of saliva in chemical digestion and what are the components of saliva that aid in digestion?
What is the function of saliva in chemical digestion and what are the components of saliva that aid in digestion?
What is the purpose of the epiglottis during swallowing?
What is the purpose of the epiglottis during swallowing?
What is the function of the gastroesophageal sphincter?
What is the function of the gastroesophageal sphincter?
What is the role of bile salts in fat digestion?
What is the role of bile salts in fat digestion?
What is the function of sodium bicarbonate in pancreatic juice?
What is the function of sodium bicarbonate in pancreatic juice?
The digestive system converts macromolecules into ______ including amino acids, lipid molecules, nucleotides, and simple sugars
The digestive system converts macromolecules into ______ including amino acids, lipid molecules, nucleotides, and simple sugars
The main steps in the digestive process include ingestion, digestion, nutrient absorption, and ______
The main steps in the digestive process include ingestion, digestion, nutrient absorption, and ______
After studying Chapter 22 in Biology (Biol-222), you will be able to compare and contrast the digestion of the three ______
After studying Chapter 22 in Biology (Biol-222), you will be able to compare and contrast the digestion of the three ______
______ prevents food from entering the larynx.
______ prevents food from entering the larynx.
______ is an organ of the alimentary tract.
______ is an organ of the alimentary tract.
Chemical digestion of proteins start in which of the following?
Chemical digestion of proteins start in which of the following?
The brain controls the timing of ______.
The brain controls the timing of ______.
During swallowing, the _______ moves back and closes the nasal cavity, and a flap-like epiglottis is pushed down to block the entry to larynx
During swallowing, the _______ moves back and closes the nasal cavity, and a flap-like epiglottis is pushed down to block the entry to larynx
The bolus enters the _______ and the soft palate closes the nasal cavity.
The bolus enters the _______ and the soft palate closes the nasal cavity.
The stomach is a muscular stretchable sac which mixes and stores food, secretes substances that begin to break down food, and controls the passage of food into the _______.
The stomach is a muscular stretchable sac which mixes and stores food, secretes substances that begin to break down food, and controls the passage of food into the _______.
Bile salts assist fat digestion by _______ , breakdown of fat globules into fat droplets.
Bile salts assist fat digestion by _______ , breakdown of fat globules into fat droplets.
Most of food digestion, and nutrient absorption take place in the ______
Most of food digestion, and nutrient absorption take place in the ______
Products of carbohydrate digestion (simple sugars e.g. glucose), and protein digestion (amino acids) diffuse through the intestinal wall into the ______
Products of carbohydrate digestion (simple sugars e.g. glucose), and protein digestion (amino acids) diffuse through the intestinal wall into the ______
Products of fat digestion (fatty acids and glycerol) cross the intestinal wall into ______ capillaries then to the blood.
Products of fat digestion (fatty acids and glycerol) cross the intestinal wall into ______ capillaries then to the blood.
Most of the remaining water is absorbed in the ______ intestine so wastes are concentrated, and feces is formed.
Most of the remaining water is absorbed in the ______ intestine so wastes are concentrated, and feces is formed.
The human digestive system is divided into two main categories: the alimentary canal and ________ organs.
The human digestive system is divided into two main categories: the alimentary canal and ________ organs.
Food passes through the alimentary canal in the following direction: mouth, pharynx, oesophagus, stomach, small intestine, large intestine (colon), rectum, and _________.
Food passes through the alimentary canal in the following direction: mouth, pharynx, oesophagus, stomach, small intestine, large intestine (colon), rectum, and _________.
Tooth decay occurs due to bacteria which converts food into ________ plaque that dissolves the tooth making holes (cavity).
Tooth decay occurs due to bacteria which converts food into ________ plaque that dissolves the tooth making holes (cavity).
Chemical digestion is the enzymatic breakdown of food into smaller particles that can be absorbed. Saliva contains ________ which is a digestive enzyme that breaks starch down to disaccharides.
Chemical digestion is the enzymatic breakdown of food into smaller particles that can be absorbed. Saliva contains ________ which is a digestive enzyme that breaks starch down to disaccharides.
The liver produces and secretes ______ into the small intestine to aid in the digestion of fats
The liver produces and secretes ______ into the small intestine to aid in the digestion of fats
The ______ is responsible for storing and releasing bile to aid in the digestion of fats
The ______ is responsible for storing and releasing bile to aid in the digestion of fats
The movement of nutrient molecules into cells that line the digestive tract and then into the circulation is known as ______
The movement of nutrient molecules into cells that line the digestive tract and then into the circulation is known as ______
The final part of the large intestine is the _______.
The final part of the large intestine is the _______.
The brain controls the timing of _______.
The brain controls the timing of _______.
The first part of the small intestine (duodenum) receives secretions from the pancreas, liver, and gall bladder. It is the part where digestion is completed with the help of _______ enzymes.
The first part of the small intestine (duodenum) receives secretions from the pancreas, liver, and gall bladder. It is the part where digestion is completed with the help of _______ enzymes.
The stomach breaks down food into semiliquid _______.
The stomach breaks down food into semiliquid _______.
Food passes in the alimentary canal in the following direction: mouth, pharynx, oesophagus, stomach, small intestine, large intestine (colon), rectum, and ______.
Food passes in the alimentary canal in the following direction: mouth, pharynx, oesophagus, stomach, small intestine, large intestine (colon), rectum, and ______.
The mouth contains three pairs of ______ glands which secrete saliva.
The mouth contains three pairs of ______ glands which secrete saliva.
Tooth decay occurs due to bacteria which converts food into acidic plaque that dissolves the tooth making ______ (cavity).
Tooth decay occurs due to bacteria which converts food into acidic plaque that dissolves the tooth making ______ (cavity).
Chemical digestion: Enzymatic breakdown of food into smaller particles that can be ______. Saliva contains amylase (digestive enzyme that breaks starch down to disaccharides).
Chemical digestion: Enzymatic breakdown of food into smaller particles that can be ______. Saliva contains amylase (digestive enzyme that breaks starch down to disaccharides).
Chyme is forced through sphincter into the ______ (the longest, 4-7 meter).
Chyme is forced through sphincter into the ______ (the longest, 4-7 meter).
Lining of intestine is highly folded, each fold forms multicelled projections called ______.
Lining of intestine is highly folded, each fold forms multicelled projections called ______.
All these increase the surface area for ______ and absorption.
All these increase the surface area for ______ and absorption.
Ions and vitamins made by bacteria in the large intestine are also absorbed to ______.
Ions and vitamins made by bacteria in the large intestine are also absorbed to ______.
During swallowing, the soft palate moves back and closes the nasal cavity, and a flap-like epiglottis is pushed down to block the entry to larynx (glottis) and trachea, so the food is directed to the ______.
During swallowing, the soft palate moves back and closes the nasal cavity, and a flap-like epiglottis is pushed down to block the entry to larynx (glottis) and trachea, so the food is directed to the ______.
The passage of food is controlled by ring of muscles known as ______.
The passage of food is controlled by ring of muscles known as ______.
The Stomach is a muscular stretchable sac which:1. Mixes and stores food. 2. Secretes substances that begin to break down food. 3. Controls the passage of food into the ______.
The Stomach is a muscular stretchable sac which:1. Mixes and stores food. 2. Secretes substances that begin to break down food. 3. Controls the passage of food into the ______.
Bile salts assist fat digestion by emulsification, breakdown of fat globules into fat droplets (i.e. mechanical). Emulsification of fats occurs in the ______.
Bile salts assist fat digestion by emulsification, breakdown of fat globules into fat droplets (i.e. mechanical). Emulsification of fats occurs in the ______.
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