Question

Функции дыхательной системы

Answer 1

Ответ:

1. Газообмен между организмом и окружающей средой.

2. Экскреторная функция — выведение из организма продуктов диссимиляции СО2, Н2О.

3. Очищение, согревание, увлажнение воздуха в верхних от­делах дыхательных путей у млекопитающих.

4. Участие в звукообразовании у позвоночных.

5. Участие в обонятельной рецепции у позвоночных.

Объяснение:

Answer 2

Дыхание, газообмен, обоняние, увлажнение вдыхаемого воздуха.

Answer 3

Functions of the Respiratory System

The respiratory system is responsible for the exchange of gases between the body and the environment. It consists of several organs and structures that work together to perform various functions. Here are the main functions of the respiratory system:

1. Gas Exchange: The primary function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the external environment. Oxygen is taken in during inhalation and transported to the body's cells, while carbon dioxide, a waste product, is removed from the body during exhalation.

2. Breathing: The respiratory system enables the process of breathing, which involves the movement of air in and out of the lungs. Inhalation occurs when the diaphragm and intercostal muscles contract, expanding the chest cavity and drawing air into the lungs. Exhalation happens when these muscles relax, allowing the lungs to deflate and air to be expelled.

3. Regulation of pH: The respiratory system helps regulate the body's pH balance by controlling the levels of carbon dioxide in the blood. Carbon dioxide, when dissolved in water, forms carbonic acid, which can affect the pH of the blood. By adjusting the rate and depth of breathing, the respiratory system helps maintain the acid-base balance in the body.

4. Protection: The respiratory system plays a role in protecting the body from harmful substances in the air. The nose and nasal cavity act as filters, trapping dust, allergens, and other particles. The respiratory system also produces mucus and has cilia (tiny hair-like structures) that help to trap and remove foreign particles, preventing them from reaching the lungs.

5. Vocalization: The respiratory system is involved in the production of sound and speech. Air passing through the vocal cords in the larynx (voice box) causes them to vibrate, producing sound. By controlling the flow of air and the tension of the vocal cords, the respiratory system allows for speech and vocalization.

6. Sense of Smell: The respiratory system is closely connected to the sense of smell. The nose contains olfactory receptors that detect and transmit signals related to different odors to the brain. This allows us to perceive and distinguish various smells in our environment.

These are some of the main functions of the respiratory system. It is a complex system that is essential for our survival and overall well-being.