Question

Желудок паука имеет множество выростов, объясните с чем это связано​

Answer 1

Ответ:

Пищеварительная система пауков состоит из сосательного желудка, второго желудка со слепыми выростами и кишечника, окруженного пищеварительной железой – аналогом печени. Пищеварительная система открывается на конце тела анусом. Сосательный желудок работает как насос и позволяет пауку буквально вытянуть из жертвы все соки. У всех пауков пищеварение происходит вне пищеварительного канала, то есть экстраинтестинально. Различают три фазы: 1) выделение пищеварительного секрета, 2) действие его на жертву, 3) всасывание переваренной пищи.

Объяснение:

Answer 2

The Structure of a Spider's Stomach

The stomach of a spider is a complex organ with many protrusions. These structures serve various functions and are essential for the spider's digestion process. Let's explore the reasons behind the presence of these protrusions.

Digestive System Adaptations

1. Increased Surface Area: The numerous protrusions in a spider's stomach increase the surface area available for digestion. This allows for more efficient absorption of nutrients from the spider's prey.

2. Mechanical Digestion: Some of the protrusions in a spider's stomach aid in mechanical digestion. They help break down the prey into smaller pieces, making it easier for the digestive enzymes to act on the food.

3. Secretion of Digestive Enzymes: The stomach of a spider contains specialized cells that secrete digestive enzymes. These enzymes break down the prey's tissues into simpler molecules that can be absorbed by the spider's body.

4. Storage: The stomach of a spider also serves as a storage organ. It allows the spider to store partially digested food for later consumption, ensuring a steady supply of nutrients.

Conclusion

In summary, the numerous protrusions in a spider's stomach are adaptations that enhance the efficiency of digestion. They increase the surface area available for absorption, aid in mechanical digestion, and facilitate the secretion of digestive enzymes. Additionally, the stomach serves as a storage organ, allowing spiders to store partially digested food for later consumption. These adaptations contribute to the spider's ability to extract nutrients from its prey and maintain its energy levels.