Question

Установіть відповідність між тваринами та будовою їхнього серця: А-птахи. 1двокамерне Б-риби-. 2чотирикамерне В-земноводні. 3трикамерне Г-савці

Answer 1

Ответ:

у савців 4камерне

1-б

2-а

3-в

Answer 2

Correspondence between animals and the structure of their hearts:

To determine the correspondence between animals and the structure of their hearts, we need to understand the different types of heart structures found in animals. Here is the correspondence between animals and the structure of their hearts:

A. Birds: Birds have a four-chambered heart. This means that their heart is divided into four chambers: two atria and two ventricles. The four-chambered heart allows for efficient separation of oxygenated and deoxygenated blood, enabling birds to have a high metabolic rate and meet the demands of flight.

B. Fish: Fish have a two-chambered heart. Their heart consists of a single atrium and a single ventricle. The two-chambered heart allows for a single circulation of blood through the gills, where oxygen is obtained, and then to the rest of the body.

C. Amphibians: Amphibians, such as frogs and salamanders, have a three-chambered heart. Their heart consists of two atria and one ventricle. The ventricle is partially divided, allowing for some separation of oxygenated and deoxygenated blood. However, there is still some mixing of the two types of blood in the ventricle.

D. Mammals and other mammals: Mammals, including humans, and other mammals have a four-chambered heart. Similar to birds, their heart is divided into four chambers: two atria and two ventricles. The four-chambered heart allows for efficient separation of oxygenated and deoxygenated blood, ensuring that oxygen-rich blood is pumped to the body and oxygen-poor blood is sent to the lungs for oxygenation.

In summary, the correspondence between animals and the structure of their hearts is as follows:

- A. Birds: Four-chambered heart (2 atria, 2 ventricles). - B. Fish: Two-chambered heart (1 atrium, 1 ventricle). - C. Amphibians: Three-chambered heart (2 atria, 1 ventricle). - D. Mammals and other mammals: Four-chambered heart (2 atria, 2 ventricles).

Please note that this information is based on general knowledge about the anatomy of these animals' hearts.