Cover Organs And Functions Of Digestive System

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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

Cover organs and functions of digestive system. Focus on pathway of food through D. S.

Cover Organs And Functions Of Digestive System - Quiz

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  • 2. 

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

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

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

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

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

    Correct Answer
    A. Mouth, esophagus, stomach, small intestine, large intestine, rectum
    Explanation
    The correct pathway of food through the digestive tract is as follows: Mouth, esophagus, stomach, small intestine, large intestine, rectum. This is the correct order in which food travels through the digestive system, starting with the mouth where food is chewed and mixed with saliva, then moving to the esophagus which transports the food to the stomach. From the stomach, the partially digested food enters the small intestine where most of the digestion and absorption of nutrients takes place. The remaining undigested food then moves to the large intestine where water is absorbed and waste material is formed. Finally, the waste material is stored in the rectum before being eliminated from the body.

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  • 3. 

    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 of breaking down food into smaller molecules through the use of enzymes and other chemicals. In this case, stomach acid plays a crucial role in breaking down the food into a soup-like substance by providing the necessary acidic environment for the enzymes to work effectively. Therefore, stomach acid turning food into a soup-like substance is an example of chemical digestion.

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  • 4. 

    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 with the process of chewing and manipulating food, as well as aiding in the formation of speech sounds. The tongue's movements and contractions help propel the food towards the throat and into the esophagus, allowing for the process of swallowing to occur.

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  • 5. 

    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 that absorb nutrients are called villi. These small projections increase the surface area of the intestine, allowing for more efficient absorption of nutrients into the bloodstream. The villi are covered in tiny microvilli, which further enhance the absorption process. Together, the villi and microvilli greatly increase the absorptive capacity of the small intestine, ensuring that nutrients from digested food are efficiently absorbed and utilized by the body.

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  • 6. 

    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 absorbed into the bloodstream does not take place in the mouth. The mouth is responsible for the initial stages of digestion, where the teeth break down food into smaller pieces through mechanical digestion, and an enzyme called amylase is added to food to initiate chemical digestion. The absorption of nutrients into the bloodstream occurs in the small intestine, not in the mouth.

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  • 7. 

    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, finger-like pouch located at the junction of the small intestine and large intestine. Despite its small size, it has no known purpose in the human body. It is considered a vestigial organ, meaning it may have had a function in our evolutionary ancestors but is now considered non-functional. While it was previously believed to be useless, recent research suggests that the appendix may serve as a reservoir for beneficial bacteria, aiding in the recovery from infections and maintaining a healthy gut microbiome.

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  • 8. 

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

    • Elimination

    • Digestion

    • Absorbtion

    • Peristalsis

    Correct Answer
    A. Absorbtion
    Explanation
    Absorption is the process by which nutrients from the food we eat are taken into the bloodstream. After digestion breaks down the food into smaller molecules, these molecules are absorbed through the walls of the digestive system, specifically the small intestine. The nutrients then enter the bloodstream and are transported to the cells throughout the body to provide energy and support various bodily functions. Absorption is a crucial step in the digestive process as it allows the body to extract the necessary nutrients from food for growth, repair, and overall health.

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  • 9. 

     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 secretes digestive enzymes and acids to break down the food into smaller particles, allowing for better absorption of nutrients. The stomach also contracts to mix the food with these digestive juices, forming a thick liquid called chyme.

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  • 10. 

    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 food forward and allowing for efficient digestion and absorption of nutrients. Peristalsis starts in the esophagus and continues throughout the entire digestive system, ensuring that food moves along the tract and eventually reaches the stomach and intestines for further processing and absorption. It is an essential process in the digestive system that helps break down food and facilitate its movement through the body.

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  • 11. 

    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 has tiny finger-like structures called villi that increase its surface area, allowing for more efficient absorption. These villi have a rich network of blood vessels that transport the absorbed nutrients to the rest of the body.

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  • 12. 

    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, which is a greenish-yellow fluid that aids in the digestion and absorption of fats. Bile is then stored in the gallbladder and released into the small intestine when needed to break down fats. The pancreas also plays a role in digestion by producing digestive enzymes, but it does not produce bile. The stomach produces gastric juices, but not bile. Therefore, the correct answer is the liver.

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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 and the materials that are not digested move into the Large Intestine. The Large Intestine is responsible for absorbing water from the remaining undigested food, as well as storing and eliminating waste material from the body. It plays a crucial role in the final stages of digestion and helps maintain the body's water balance.

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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. During digestion, food is mechanically and chemically broken down in the digestive system, primarily in the stomach and small intestine. This allows the nutrients from the food to be absorbed into the bloodstream and used by the body for energy, growth, and repair. Peristalsis is the process of muscle contractions that move food through the digestive tract, absorption is the process of nutrients being taken up by the body's cells, and elimination is the process of removing waste products from the body.

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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 digestive enzymes from damaging the delicate tissues of our organs. Without mucus, the digestive process would be more difficult and potentially harmful to our bodies.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 19, 2009
    Quiz Created by
    Swann166
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