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Needed a Document for digestion and absorption?
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Needed a Document for digestion and absorption? Related: Biology Cla...
Digestion and Absorption

Digestion and absorption are two important processes that occur in the digestive system. In this process, food is broken down into smaller molecules that can be absorbed and utilized by the body.

Digestion

Digestion involves the breakdown of food into smaller molecules that can be absorbed by the body. This process is accomplished through mechanical and chemical means. Mechanical digestion involves the physical breakdown of food through chewing and the churning of the stomach. Chemical digestion involves the use of enzymes to break down food into smaller molecules.

Enzymes

Enzymes are proteins that catalyze chemical reactions. In the digestive system, enzymes play a crucial role in breaking down food. The main enzymes involved in digestion are amylase, protease, and lipase. Amylase breaks down carbohydrates, protease breaks down proteins, and lipase breaks down fats.

Absorption

Absorption is the process by which nutrients are taken up by the body. Nutrients are absorbed in the small intestine, where they are transported to the liver and then to the rest of the body.

Villi and Microvilli

The small intestine is lined with small finger-like projections called villi. Each villus is covered with even smaller projections called microvilli. These structures increase the surface area of the small intestine, allowing for more efficient absorption of nutrients.

Transporters

The absorption of nutrients occurs through transporters. Transporters are proteins that facilitate the movement of nutrients across the cell membrane. There are many different types of transporters, each of which is specific to a particular nutrient.

Conclusion

Digestion and absorption are essential processes that allow the body to obtain the nutrients it needs to function properly. Understanding these processes is important for maintaining good health and preventing digestive disorders.
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Needed a Document for digestion and absorption? Related: Biology Cla...
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Needed a Document for digestion and absorption? Related: Biology Class 12?
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