Organs And Functions Of Digestive System: Quiz!

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| By Abiola Jokomba
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Abiola Jokomba
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Quizzes Created: 1 | Total Attempts: 2,158
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  • 1/15 Questions

    Once swallowed, the food passes through this muscular tube that connects the mouth to the stomach.

    • Esophagus
    • Pancreas
    • Windpipe
    • Mouth
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About This Quiz


What do you know about the organs and functions of the digestive system? The human digestive system is comprised of the gastrointestinal tract and other organs of digestion. The process of digestion involves the liver, gallbladder, and pancreas. Food, upon the start of digestion, passes into the first part of the small intestine. If you are curious to understand more about digestion, look no further than this quiz.

Organs And Functions Of Digestive System: Quiz! - Quiz

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  • 2. 

    Which of the following shows the correct pathway of food through the digestive tract?

    • Mouth, stomach, oesophagus, small intestine, large intestine, rectum

    • Mouth, oesophagus, stomach, small intestine, large intestine, rectum

    • Mouth, oesophagus, stomach, large intestine, small intestine, rectum

    • Mouth, oesophagus, small intestine, stomach, large intestine, rectum

    Correct Answer
    A. Mouth, oesophagus, stomach, small intestine, large intestine, rectum
    Explanation
    The correct pathway of food through the digestive tract is as follows: Mouth, oesophagus, stomach, small intestine, large intestine, rectum.

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  • 3. 

    The finger-like structures lining the small intestine that absorb nutrients are called:

    • Absorbtion

    • Peristalsis

    • Enzymes

    • Villi

    Correct Answer
    A. Villi
    Explanation
    The finger-like structures lining the small intestine are called villi. These structures increase the surface area of the small intestine, allowing for more efficient absorption of nutrients. The villi contain blood vessels and lymphatic vessels that help transport the absorbed nutrients into the bloodstream.

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  • 4. 

    Which of the following does NOT take place in the mouth?

    • An enzyme is added to food.

    • The teeth break food into smaller pieces.

    • Nutrients are absorbed into the bloodstream.

    • Both mechanical and chemical digestion begin.

    Correct Answer
    A. Nutrients are absorbed into the bloodstream.
    Explanation
    Nutrients are not absorbed into the bloodstream in the mouth. Absorption of nutrients primarily occurs in the small intestine. In the mouth, the teeth break down food into smaller pieces through mechanical digestion, and an enzyme called amylase is added to food to begin the process of chemical digestion. However, absorption of nutrients into the bloodstream occurs later in the digestive system, specifically in the small intestine, where the nutrients are broken down further and absorbed through the intestinal wall.

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  • 5. 

    Food moves through the digestive tract by wave-like muscle contractions which is called

    • Peristalsis

    • Digestion

    • Mucus

    • Stomach acid

    Correct Answer
    A. Peristalsis
    Explanation
    Peristalsis is the wave-like muscle contractions that propel food through the digestive tract. These contractions occur in a coordinated manner, pushing the food forward and allowing for digestion to take place. It is an essential process in the digestive system, ensuring that food is properly broken down and absorbed by the body.

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  • 6. 

    Bile is produced by the:

    • Liver

    • Pancreas

    • Gall Bladder

    • Stomach

    Correct Answer
    A. Liver
    Explanation
    Bile is produced by the liver. The liver is responsible for producing bile, a greenish-yellow fluid that aids in the digestion and absorption of fats. Bile is stored in the gallbladder and released into the small intestine when needed. The pancreas also plays a role in digestion by producing enzymes, but it does not produce bile. The stomach produces gastric juices, including hydrochloric acid and pepsin, but it does not produce bile. Therefore, the correct answer is the liver.

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  • 7. 

    __________________ is the process by which nutrients pass through the wall of the digestive system into your blood.

    • Elimination

    • Digestion

    • Absorption

    • Peristalsis

    Correct Answer
    A. Absorption
    Explanation
    Absorption is the process by which nutrients pass through the wall of the digestive system into the bloodstream. Once food is broken down through digestion, the nutrients are absorbed by the small intestine. The lining of the small intestine contains tiny finger-like projections called villi, which increase the surface area for absorption. These villi are covered in microvilli, further enhancing nutrient absorption. Through this process, nutrients such as carbohydrates, proteins, fats, vitamins, and minerals are taken up by the bloodstream and transported to cells throughout the body for energy and other functions.

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  • 8. 

    Located where the small intestine joins the large intestine. It has no known purpose.

    • Gall bladder

    • Pancreas

    • Appendix

    • Stomach

    Correct Answer
    A. Appendix
    Explanation
    The appendix is a small pouch located where the small intestine joins the large intestine. It is considered a vestigial organ, meaning it has no known purpose in the human body. While it was once thought to be a useless remnant of our evolutionary past, recent research suggests that the appendix may actually play a role in the immune system, specifically in the development and storage of beneficial gut bacteria. However, its exact function is still not fully understood.

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  • 9. 

    Nutrients from the digested food are absorbed into the bloodstream through tiny finger-like structures in this organ.

    • Small intestine

    • Gall bladder

    • Large intestine

    • Pancreas

    Correct Answer
    A. Small intestine
    Explanation
    The small intestine is responsible for absorbing nutrients from digested food into the bloodstream. It contains tiny finger-like structures called villi, which increase the surface area for absorption. These villi have specialized cells that transport nutrients, such as glucose and amino acids, into the bloodstream. The small intestine is the longest part of the digestive system and plays a crucial role in the absorption of nutrients for the body's energy and growth.

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  • 10. 

     This j-shaped sac that stores and further digests the food.

    • Esophagus

    • Large Intestine

    • Villi

    • Stomach

    Correct Answer
    A. Stomach
    Explanation
    The correct answer is the stomach. The stomach is a j-shaped sac that stores and further digests food. It is a muscular organ that secretes digestive enzymes and gastric juices to break down food into smaller particles. The stomach also helps to regulate the release of food into the small intestine for further digestion and absorption.

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  • 11. 

    Stomach acid turning food into a soup-like substance is an example of:

    • Mechanical digestion

    • Chemical digestion

    • Peristalsis

    • Enzyme activity

    Correct Answer
    A. Chemical digestion
    Explanation
    Chemical digestion refers to the process in which enzymes and stomach acid break down food into smaller molecules that can be absorbed by the body. In this case, stomach acid plays a crucial role in breaking down food into a soup-like substance, indicating that it is an example of chemical digestion.

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  • 12. 

    The ___________ helps push food to the back of the mouth where it is swallowed.

    • Enzymes

    • Tongue

    • Saliva

    • Esophagus

    Correct Answer
    A. Tongue
    Explanation
    The tongue is responsible for pushing food to the back of the mouth where it is swallowed. It is a muscular organ that helps in the process of chewing and swallowing. The tongue moves the food towards the throat and into the esophagus, which leads to the stomach. Enzymes are responsible for breaking down food particles, saliva helps in the digestion process, and the esophagus is the tube that connects the throat to the stomach.

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  • 13. 

    Water is removed and the materials that are not digested move into this structure.

    • Stomach

    • Large Intestine

    • Small Intestine

    • Gall bladder

    Correct Answer
    A. Large Intestine
    Explanation
    Water is removed from the digested materials in the large intestine. The large intestine is responsible for absorbing water and electrolytes from the remaining undigested food, converting it into feces. This process helps in maintaining the body's hydration levels and ensuring that waste material is properly formed before being eliminated from the body.

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  • 14. 

    _______________ is the process by which food is broken down into substances that can be used by the cells in the body.

    • Peristalsis

    • Absorbtion

    • Elimination

    • Digestion

    Correct Answer
    A. Digestion
    Explanation
    Digestion is the process by which food is broken down into substances that can be used by the cells in the body. It involves the mechanical and chemical breakdown of food in the digestive system, starting from the mouth and ending in the small intestine. Peristalsis refers to the rhythmic contractions of the muscles in the digestive tract that help move food along. Absorption is the process by which nutrients are taken up by the bloodstream from the small intestine. Elimination is the process of removing waste products from the body through the rectum and anus.

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  • 15. 

    ____________ helps food glide through our digestive tract and it protects our organs from the digestive juices.

    • Mucus

    • Enzymes

    • Saliva

    • Tongue

    Correct Answer
    A. Mucus
    Explanation
    Mucus helps food glide through our digestive tract and protects our organs from the digestive juices. It acts as a lubricant, making it easier for food to pass through the esophagus, stomach, and intestines. Additionally, mucus forms a protective barrier that prevents the acidic digestive juices from damaging the delicate tissues of our organs. Without mucus, digestion would be more difficult and our organs would be more susceptible to injury.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 31, 2018
    Quiz Created by
    Abiola Jokomba
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