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Class 7 Science Chapter 9 Infographics - Digestive System
The document Class 7 Science Chapter 9 Infographics - Digestive System is a part of the Class 7 Course Science Class 7 (Old NCERT).
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FAQs on Class 7 Science Chapter 9 Infographics - 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. Each organ plays a specific role in the digestion and absorption of food.
| 2. How does the process of digestion work in the human body? | |
Ans. The process of digestion begins in the mouth, where food is mechanically broken down by chewing and mixed with saliva. It then travels down the esophagus to the stomach, where it is mixed with gastric acids. In the small intestine, nutrients are absorbed into the bloodstream, and waste products pass into the large intestine, where water is reabsorbed before elimination.
| 3. What is the role of enzymes in the digestive system? | |
Ans. Enzymes play a crucial role in breaking down food into smaller molecules that can be easily absorbed. Different enzymes target specific types of nutrients, such as carbohydrates, proteins, and fats, facilitating their digestion in the stomach and small intestine.
| 4. What is the significance of the small intestine in digestion? | |
Ans. The small intestine is significant in digestion because it is the primary site for nutrient absorption. It has a large surface area due to villi and microvilli, which increase the efficiency of nutrient uptake into the bloodstream.
| 5. What are some common digestive disorders that can affect the digestive system? | |
Ans. Common digestive disorders include gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS), Crohn's disease, and ulcers. These conditions can lead to symptoms such as pain, bloating, and changes in bowel habits, affecting overall digestive health.
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Document Description: Infographics: Digestive System for Class 7 2025 is part of Science Class 7 (Old NCERT) preparation.
The notes and questions for Infographics: Digestive System have been prepared according to the Class 7 exam syllabus. Information about Infographics: Digestive System covers topics
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Full syllabus notes, lecture & questions for Class 7 Science Chapter 9 Infographics - Digestive System - Class 7 | Plus excerises question with solution to help you revise complete syllabus for Science Class 7 (Old NCERT) | Best notes, free PDF download
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