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DIGESTIVE SYSTEM DIGESTIVE SYSTEM
DIGESTIVE SYSTEM DIGESTIVE SYSTEM
Label the different parts of the digestive system. Choose the
correct option and drag the words into the right box.
Small Intestine
Rectum
Liver
Anus
Large Intestine
Esophagus
Appendix
Pancreas
Mouth
Stomach
Pharynx
Gallbladder
Page 2


DIGESTIVE SYSTEM DIGESTIVE SYSTEM
DIGESTIVE SYSTEM DIGESTIVE SYSTEM
Label the different parts of the digestive system. Choose the
correct option and drag the words into the right box.
Small Intestine
Rectum
Liver
Anus
Large Intestine
Esophagus
Appendix
Pancreas
Mouth
Stomach
Pharynx
Gallbladder
DIGESTIVE SYSTEM DIGESTIVE SYSTEM
DIGESTIVE SYSTEM DIGESTIVE SYSTEM
Label the different parts of the digestive system. Choose the
correct option and drag the words into the right box.
Small Intestine
Rectum
Liver
Large Intestine
Esophagus
Appendix
Pancreas
Mouth
Stomach
Pharynx
Gallbladder
Anus
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FAQs on Printable Worksheets: Digestive System - Science Olympiad Class 4

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, liver, pancreas, and gallbladder. Each organ plays a crucial role in breaking down food, absorbing nutrients, and eliminating waste.
2. How does the digestive process begin?
Ans. The digestive process begins in the mouth, where food is mechanically broken down by chewing and mixed with saliva, which contains enzymes to start the breakdown of carbohydrates. This mixture then travels down the esophagus to the stomach for further digestion.
3. What is the role of the stomach in digestion?
Ans. The stomach serves multiple roles in digestion: it acts as a storage tank for food, mixes food with gastric juices (which contain hydrochloric acid and enzymes) to break down proteins, and uses muscular contractions to churn the food into a semi-liquid form called chyme before it moves into the small intestine.
4. How do nutrients get absorbed in the digestive system?
Ans. Nutrients are primarily absorbed in the small intestine, where the inner walls are lined with tiny, finger-like projections called villi. These villi increase the surface area for absorption, allowing nutrients from digested food to enter the bloodstream and be transported to various cells in the body.
5. What are 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, ulcerative colitis, and celiac disease. These conditions can cause symptoms like abdominal pain, bloating, diarrhea, and constipation, impacting overall digestive health.
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