Answer:

1. Why is it necessary for the food to stay for a while inside the mouth?

Answer: It is necessary for the food to stay for a while inside the mouth because the process of digestion starts in the mouth. Saliva, which is produced by the salivary glands in the mouth, contains enzymes that help break down carbohydrates in the food. Chewing the food also helps to break it down into smaller pieces, making it easier to swallow and digest.

2. What happens to the food inside the stomach?

Answer: After the food is swallowed, it enters the stomach, where it is mixed with stomach acid and digestive enzymes. The stomach muscles contract to churn the food, breaking it down into smaller pieces and turning it into a soupy liquid called chyme. The chyme then passes from the stomach into the small intestine for further digestion.

3. Why is it important for the food to go to the small intestines?

Answer: It is important for the food to go to the small intestine because this is where most of the nutrients in the food are absorbed into the bloodstream. The small intestine is lined with tiny finger-like projections called villi, which increase the surface area for absorption and help to transport nutrients from the food into the bloodstream.

4. What organs store undigested food and absorb water?

Answer: The large intestine, which includes the colon and the rectum, stores undigested food and absorbs water. As the chyme passes through the large intestine, water is absorbed from it, and the remaining waste material is formed into feces, which are then eliminated from the body through the rectum and anus.

5. Why is it important to keep our digestive system healthy?

Answer: It is important to keep our digestive system healthy because it plays a critical role in maintaining overall health and well-being. A healthy digestive system allows us to absorb nutrients from the food we eat, which is essential for growth, repair, and energy production. It also helps to eliminate waste and toxins from the body, which can otherwise cause health problems.

6. Why is eating high fiber food important in digestion?

Answer: Eating high fiber food is important in digestion because fiber helps to promote regular bowel movements and prevent constipation. It also helps to maintain the health of the intestinal lining and prevent the development of diverticular disease, hemorrhoids, and other gastrointestinal disorders. Additionally, fiber can help to lower cholesterol levels and reduce the risk of heart disease and other chronic conditions.

Explanation:

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Answer:

1. It is necessary for the food to stay for a while inside the mouth because it needs to be chewed and mixed with saliva to break down complex molecules into simpler ones that can be easily digested.

2. When the food enters the stomach, it is mixed with digestive juices, such as hydrochloric acid and enzymes, which break it down further into a liquid consistency called chyme.

4. It is important for the food to go to the small intestines because this is where most of the nutrients from food are absorbed into the bloodstream to be used by the body for energy and other essential functions.

5. The large intestine or colon stores undigested food and absorbs water.

6. Keeping our digestive system healthy is important because it allows us to efficiently break down and absorb nutrients from food, which is essential for maintaining good health and preventing various digestive disorders.

7. Eating high fiber food is important in digestion because fiber helps to promote bowel movement and prevent constipation, as well as regulate blood sugar and cholesterol levels. It also helps to keep the digestive system healthy by promoting the growth of good bacteria in the gut.

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