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Learning Poster: Journey of Food in Body | Science for Class 4

The document Learning Poster: Journey of Food in Body | Science for Class 4 is a part of the Class 4 Course Science for Class 4.
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FAQs on Learning Poster: Journey of Food in Body - Science for Class 4

1. How does food travel through the body?
Ans. Food travels through the body by first entering the mouth where it is chewed and mixed with saliva. It then travels down the esophagus to the stomach, where it is further broken down by stomach acid. From the stomach, the food moves to the small intestine where nutrients are absorbed, and finally to the large intestine where waste is formed.
2. What happens to food in the stomach?
Ans. In the stomach, food is mixed with stomach acid and enzymes that break it down into smaller particles. This process helps to further digest the food and prepare it for absorption in the small intestine.
3. How long does it take for food to pass through the digestive system?
Ans. It typically takes about 24-72 hours for food to pass through the entire digestive system. The exact time can vary depending on factors such as the type of food consumed, individual metabolism, and overall health.
4. What role do enzymes play in the digestion of food?
Ans. Enzymes are proteins that help to break down food molecules into smaller, more easily absorbable nutrients. They play a crucial role in the digestive process by speeding up chemical reactions that break down carbohydrates, proteins, and fats.
5. Why is it important to chew food thoroughly?
Ans. Chewing food thoroughly helps to break down food into smaller particles, making it easier for the stomach and small intestine to digest and absorb nutrients. It also helps to prevent digestive issues such as bloating and indigestion.
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