CBSE Class 4 > Class 4 Notes > Science Olympiad > Visual Worksheet: Label Digestive System
Visual Worksheet: Label Digestive System
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FAQs on Visual Worksheet: Label Digestive System
| 1. What are the main organs involved in the human digestive system? |  |
Ans. The main organs involved in the human digestive system include the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. Accessory organs such as the liver, pancreas, and gallbladder also play crucial roles in digestion.
| 2. How does the digestive process begin in the mouth? | |
Ans. The digestive process begins in the mouth where food is mechanically broken down by chewing and mixed with saliva. Saliva contains enzymes like amylase that start the breakdown of carbohydrates, allowing for easier digestion as food travels down the esophagus.
| 3. What is the role of the stomach in digestion? | |
Ans. The stomach plays a significant role in digestion by further breaking down food through muscular contractions and mixing it with gastric juices. These juices contain hydrochloric acid and digestive enzymes that help to break down proteins and kill harmful bacteria.
| 4. How do nutrients get absorbed in the small intestine? | |
Ans. Nutrients are absorbed in the small intestine through its lining, which is covered in tiny, finger-like projections called villi. These villi increase the surface area for absorption, allowing nutrients such as amino acids, fatty acids, and sugars to enter the bloodstream.
| 5. What happens to waste in the large intestine? | |
Ans. In the large intestine, water is reabsorbed from indigestible food matter, and the remaining waste is compacted into feces. The large intestine also houses beneficial bacteria that help in the fermentation of undigested materials before the waste is eventually eliminated from the body.
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Apr 10, 2026 Last updated
Document Description: Visual Worksheet: Label Digestive System for Class 4 2026 is part of Science Olympiad Class 4 preparation. The notes and questions for Visual Worksheet: Label Digestive System have been prepared according to the Class 4 exam syllabus. Information about Visual Worksheet: Label Digestive System covers topics like and Visual Worksheet: Label Digestive System Example, for Class 4 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Visual Worksheet: Label Digestive System.
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