Question

Порівняйте травлення у тонкому і товстому кишечнику ❗❗​

Answer 1

Ответ:В толстые кишки поступают непереваренные остатки пищи. Незначительное количество желез толстого кишечника выделяет малоактивный пищеварительный сок, который частично продолжает переваривание пищевых веществ. В толстых кишках содержится большое количество бактерий, вызывающих брожение остатков углеводов, гниение остатков белка и частичное расщепление клетчатки. А в тонком противоположности

Объяснение :Если помог можно 5 звезд пж)

Answer 2

Comparison of Digestion in the Small and Large Intestine

The digestive system is responsible for breaking down food into nutrients that can be absorbed by the body. The process of digestion occurs in various parts of the digestive tract, including the small intestine and the large intestine. Let's compare the digestion processes that take place in these two parts of the intestines.

Digestion in the Small Intestine

The small intestine is the longest part of the digestive tract and is divided into three sections: the duodenum, jejunum, and ileum. It plays a crucial role in the digestion and absorption of nutrients.

1. Mechanical Digestion: In the small intestine, mechanical digestion primarily occurs through the churning and mixing of food with digestive enzymes and bile. This process helps to break down large food particles into smaller ones, increasing the surface area for chemical digestion.

2. Chemical Digestion: Chemical digestion in the small intestine is facilitated by various enzymes, including pancreatic enzymes and enzymes produced by the small intestine itself. These enzymes break down complex carbohydrates, proteins, and fats into simpler molecules that can be absorbed by the body.

3. Absorption: The small intestine is highly specialized for absorption. It has a large surface area due to the presence of finger-like projections called villi and microvilli. These structures increase the surface area available for nutrient absorption. Nutrients, such as glucose, amino acids, and fatty acids, are absorbed into the bloodstream through the walls of the small intestine.

Digestion in the Large Intestine

The large intestine, also known as the colon, is the final part of the digestive tract. It is responsible for absorbing water, electrolytes, and some vitamins produced by gut bacteria. While the large intestine does not play a significant role in the digestion of food, it does have some important functions.

1. Water Absorption: The primary function of the large intestine is to absorb water from the remaining undigested food material. This absorption helps to consolidate waste material and form solid feces.

2. Bacterial Fermentation: The large intestine is home to a large number of beneficial bacteria that aid in the fermentation of undigested carbohydrates, such as dietary fiber. This fermentation process produces short-chain fatty acids, which provide a source of energy for the cells lining the colon.

3. Vitamin Absorption: The large intestine also absorbs certain vitamins, such as vitamin K and some B vitamins, which are produced by the gut bacteria.

Key Differences between Small and Large Intestine Digestion

1. Location: The small intestine is located between the stomach and the large intestine, while the large intestine is the final part of the digestive tract. 2. Digestive Processes: The small intestine is primarily responsible for mechanical and chemical digestion, as well as nutrient absorption. In contrast, the large intestine mainly absorbs water, electrolytes, and some vitamins, and aids in bacterial fermentation. 3. Surface Area: The small intestine has a much larger surface area due to the presence of villi and microvilli, which increase nutrient absorption. The large intestine has a relatively smaller surface area. 4. Role in Digestion: The small intestine is the primary site of digestion and absorption, while the large intestine mainly focuses on water absorption and the fermentation of undigested carbohydrates.

Conclusion

In summary, the small intestine and the large intestine have distinct roles in the digestive process. The small intestine is responsible for the majority of digestion and nutrient absorption, while the large intestine primarily absorbs water, electrolytes, and some vitamins, and aids in bacterial fermentation. Both parts of the intestines play crucial roles in the overall digestive process, ensuring the body receives the necessary nutrients and eliminating waste material.