Question

Сроооооооооооооочноооооо, тест закончиться через 15 минуууууууууут Двойное дыхание птиц во время полёта осуществляется благодаря работе:Выберите один ответ:лёгких и воздушных мешковтолько лёгкихгрудной клетки

Answer 1

Ответ:

легких и воздушный мешков

Answer 2

Лёгких и воздушных мешков

Answer 3

The Role of Breathing in Birds' Flight

During flight, birds have a unique respiratory system that allows them to maintain a constant supply of oxygen. This is crucial for their high-energy activities, such as flying long distances or performing complex aerial maneuvers. The respiratory system of birds is different from that of mammals, including humans, and is specifically adapted to meet the demands of flight.

Avian Respiratory System

Birds have a highly efficient respiratory system that enables them to extract oxygen from the air more effectively than mammals. Unlike mammals, birds do not have a diaphragm to control breathing. Instead, they rely on a combination of movements involving their ribcage, sternum, and air sacs to facilitate respiration.

Air Sacs and Lung Structure

Birds have a unique feature called air sacs, which are thin-walled structures located throughout their body. These air sacs are connected to the lungs and play a crucial role in the respiratory process. There are two main types of air sacs: anterior and posterior.

The anterior air sacs are located in the front of the bird's body and are connected to the lungs. When a bird inhales, fresh air enters the posterior air sacs, while stale air from the lungs is pushed into the anterior air sacs