Question

Сложный физиологический процесс в ходе которого пища поступает в организм

Answer 1

Ответ:

Пищеварение — сложный физиологический и биохимический процесс, в ходе которого принятая пища в пищеварительном тракте подвергается физическим и химическим изменениям.

Объяснение:

вроде это)

Answer 2

The Process of Food Digestion

The process of food digestion is a complex physiological process through which food enters the body and is broken down into smaller molecules that can be absorbed and utilized by the body. This process involves several organs and enzymes working together to ensure proper digestion and absorption of nutrients.

Overview of the Digestive System

The digestive system is a series of organs that work together to break down food and absorb nutrients. It includes the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. Each organ has a specific role in the digestion process.

Stages of Digestion

The process of food digestion can be divided into several stages:

1. Ingestion: This is the process of taking food into the mouth and swallowing it. In the mouth, food is mechanically broken down by chewing and mixed with saliva, which contains enzymes that begin the process of chemical digestion.

2. Digestion: Once food is swallowed, it travels down the esophagus and enters the stomach. In the stomach, food is mixed with gastric juices, which contain enzymes and acids that break down proteins and kill bacteria. The stomach also churns the food, further breaking it down into smaller particles.

3. Absorption: After leaving the stomach, the partially digested food enters the small intestine. The small intestine is the primary site of nutrient absorption. Here, the food is mixed with digestive enzymes from the pancreas and bile from the liver, which help break down carbohydrates, proteins, and fats into smaller molecules that can be absorbed into the bloodstream.

4. Elimination: The remaining undigested food, along with waste products, passes into the large intestine. The large intestine absorbs water and electrolytes from the waste, forming feces. The feces are then eliminated from the body through the rectum and anus.

Key Organs and Enzymes Involved

Several organs and enzymes play a crucial role in the process of food digestion:

- Mouth: Chewing breaks down food mechanically, while saliva contains enzymes, such as amylase, that begin the digestion of carbohydrates. - Stomach: Gastric juices, including hydrochloric acid and enzymes like pepsin, break down proteins into smaller peptides. - Pancreas: The pancreas secretes digestive enzymes, including amylase, lipase, and proteases, which further break down carbohydrates, fats, and proteins, respectively. - Liver: The liver produces bile, which helps in the digestion and absorption of fats. - Small Intestine: The small intestine is the primary site of nutrient absorption. It receives digestive enzymes from the pancreas and bile from the liver. - Large Intestine: The large intestine absorbs water and electrolytes from the waste, forming feces.

Conclusion

The process of food digestion is a complex physiological process that involves the coordinated action of several organs and enzymes. It begins with the ingestion of food, followed by mechanical and chemical digestion in the mouth and stomach. The small intestine is responsible for the absorption of nutrients, while the large intestine absorbs water and electrolytes. Finally, the waste products are eliminated from the body.