Question

Чем объясняется появление кровеносной системы?

Answer 1

Ответ:

Это объясняется тем, что пресмыкающиеся - истинные наземные животные, у них сформировались трахеи и бронхи, для того чтоб дышать сухим воздухом и не иссушать при этом лёгкие.

Пресмыкающиеся-первые истинные наземные животные, они заселили все места обитания, в том числе и пустыни, поэтому у них сформировались трахеи и бронхи, для того чтоб дышать сухим воздухом и не иссушать при этом лёгкие

Объяснение:

Надеюсь помогла с СОРом

Answer 2

The Emergence of the Circulatory System

The emergence of the circulatory system can be explained by several factors. While the search results provided limited information, I will do my best to provide a detailed response.

1. Evolutionary Development: The circulatory system is believed to have emerged through the process of evolution. As organisms evolved from simple single-celled organisms to more complex multicellular organisms, the need for a specialized system to transport nutrients, oxygen, and waste materials throughout the body became essential.

2. Efficient Transport: The circulatory system allows for the efficient transport of essential substances, such as oxygen and nutrients, to different parts of the body. It also facilitates the removal of waste products, such as carbon dioxide, from the body.

3. Oxygen Requirements: As organisms became more complex, their oxygen requirements increased. The circulatory system evolved to ensure that oxygen could be efficiently transported from the respiratory organs (such as gills or lungs) to the cells of the body.

4. Nutrient Distribution: The circulatory system also plays a crucial role in distributing nutrients to various tissues and organs. It ensures that all cells receive the necessary nutrients for their survival and function.

5. Waste Removal: In addition to delivering oxygen and nutrients, the circulatory system helps remove waste products generated by cellular metabolism. It transports waste materials, such as carbon dioxide and metabolic byproducts, to the organs responsible for their elimination, such as the lungs and kidneys.

6. Regulation of Body Temperature: The circulatory system also helps regulate body temperature. By transporting heat throughout the body, it helps maintain a stable internal temperature, which is essential for the proper functioning of various physiological processes.

7. Defense Mechanism: The circulatory system is involved in the body's defense mechanisms. It transports immune cells, antibodies, and other components of the immune system to fight against pathogens and foreign substances.

It is important to note that the emergence of the circulatory system is a complex process that has occurred over millions of years through the course of evolution. The factors mentioned above are some of the key reasons behind the development of this vital system.

I hope this information helps! Let me know if you have any further questions.