Question

Функція травної системи тварин! терміново!!​

Answer 1

Ответ:

основними функціями травної системи є механічне подрібнення їжі, хімічне розщеплення, утворення травних ферментів, всмоктування, видалення неперетравлених решток.

Answer 2

Function of the Digestive System in Animals

The digestive system in animals is responsible for the breakdown and absorption of nutrients from food, as well as the elimination of waste products. It plays a crucial role in providing the necessary energy and nutrients for the body to function properly. The main functions of the digestive system include:

1. Ingestion: The process of taking in food through the mouth.

2. Mechanical Digestion: The physical breakdown of food into smaller pieces through chewing, grinding, and churning. This increases the surface area of the food, making it easier for enzymes to act upon.

3. Chemical Digestion: The enzymatic breakdown of complex molecules into simpler forms that can be absorbed by the body. Enzymes secreted by various organs, such as the salivary glands, stomach, pancreas, and small intestine, help break down carbohydrates, proteins, and fats into their respective building blocks.

4. Absorption: The process by which nutrients, water, and electrolytes are taken up by the cells lining the digestive tract and transported into the bloodstream. This occurs primarily in the small intestine, where the inner surface is highly folded and covered with tiny finger-like projections called villi, which increase the surface area for absorption.

5. Transportation: The movement of food through the digestive tract, facilitated by muscular contractions called peristalsis. Peristalsis helps propel food from the mouth to the stomach, through the small intestine, and finally to the large intestine.

6. Excretion: The elimination of undigested food and waste products from the body. This occurs primarily in the large intestine, where water is reabsorbed and solid waste material is formed into feces.

7. Regulation: The coordination and control of digestive processes. Hormones, such as gastrin and secretin, help regulate the secretion of digestive enzymes and the movement of food through the digestive tract.

Overall, the digestive system ensures that nutrients are broken down, absorbed, and utilized by the body for energy, growth, and maintenance of bodily functions.