Question

Органы дыхания человека

Answer 1

Organs of the Respiratory System in Humans

The respiratory system in humans consists of several organs that work together to facilitate the exchange of oxygen and carbon dioxide between the body and the environment. The main organs of the respiratory system include the nose, pharynx, larynx, trachea, bronchi, lungs, and diaphragm.

1. Nose: The nose is the primary entrance for air into the respiratory system. It filters, warms, and moistens the incoming air, as well as detects odors.

2. Pharynx: The pharynx, also known as the throat, is a muscular tube that connects the nasal cavity and mouth to the larynx. It serves as a passage for both air and food.

3. Larynx: The larynx, commonly known as the voice box, is located at the top of the trachea. It contains the vocal cords, which vibrate to produce sound during speech.

4. Trachea: The trachea, or windpipe, is a tube that connects the larynx to the bronchi. It is lined with cilia and mucus-producing cells that help trap and remove foreign particles from the respiratory tract.

5. Bronchi: The bronchi are two large tubes that branch off from the trachea and enter the lungs. They further divide into smaller tubes called bronchioles, which eventually lead to the alveoli.

6. Lungs: The lungs are the main organs of respiration. They are located in the chest cavity and are responsible for the exchange of oxygen and carbon dioxide. The lungs are composed of millions of tiny air sacs called alveoli, where gas exchange occurs.

7. Diaphragm: The diaphragm is a dome-shaped muscle located at the base of the lungs. It plays a crucial role in the process of breathing by contracting and relaxing to create changes in lung volume.