Questions and Answers
What is the primary purpose of the digestive system?
The process of taking food into the mouth is known as egestion.
False
What role do the salivary glands play in digestion?
They secrete saliva which breaks carbohydrates into sugars.
The __________ is where food is broken down further and stays for about three hours.
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Which organ absorbs useful nutrients into the blood?
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The large intestine absorbs water to form semi-solid waste.
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What happens to the food in the small intestine?
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Food that cannot be digested in the small intestine enters the __________.
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Match the following parts of the digestive system with their functions:
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Which of the following is NOT a part of the digestive process?
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Study Notes
Digestive System
- Digestion is the process of breaking down food into simpler substances
- The digestive system consists of multiple organs working together to digest and absorb food
Mouth
- The process of taking food into the mouth is called ingestion
- Teeth are responsible for biting, chewing, and grinding food
- The tongue helps in swallowing food
- Salivary glands secrete saliva, which breaks down carbohydrates into sugars
Food Pipe
- Food passes from the mouth through a thin, long tube called the food pipe
- The food pipe leads to the stomach
Stomach
- The stomach is a hollow, muscular bag where food stays for three hours
- The stomach produces juices that break down food further
- Proteins in food break down into simpler forms in the stomach
Small Intestine
- The small intestine is a long tube where food is pushed from the stomach
- Intestinal juices, as well as juices from the liver and pancreas, are poured into the small intestine
- These juices break down food completely, and useful nutrients are absorbed by the blood
- The absorbed nutrients are carried to all parts of the body
Large Intestine
- Food that cannot be digested in the small intestine enters the large intestine
- Water is absorbed from the undigested food, making it semi-solid
Anus
- The semi-solid waste is passed out of the body through the anus, a process called egestion
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Description
This quiz covers the basics of human digestion, focusing on the mouth and its role in the digestive process. Learn about the structure and functions of teeth, tongue, and salivary glands.
