What are the organs of Respritory System?

Organs of the Respiratory System

1. Nose: The nose is the primary organ for breathing. It filters, warms, and moistens the air we breathe. The nose contains nasal hairs, which trap dust and other particles from entering the respiratory tract. The nose also helps to regulate airflow and produce mucus to keep the respiratory tract moist and protected.

2. Pharynx: The pharynx is the throat, a muscular tube that connects the nose and mouth to the larynx and the trachea. The pharynx is involved in both breathing and swallowing.

3. Larynx: The larynx, commonly known as the voice box, is a tube-like organ that connects the pharynx to the trachea. The larynx contains the vocal cords, which produce sound when air passes through them.

4. Trachea: The trachea, or windpipe, is a long, flexible tube that carries air from the larynx to the lungs. The trachea is made up of cartilage rings that keep it open, allowing air to flow freely.

5. Bronchi: The bronchi are the two large branches of the trachea that enter the lungs. Each bronchus leads to one of the lungs, and they divide further into smaller tubes called bronchioles as they enter the lungs.

6. Bronchioles: Bronchioles are the smallest branches of the respiratory tract. They lead to the alveoli, where gas exchange takes place. The walls of the bronchioles are lined with muscles that can contract or relax to regulate airflow.

7. Lungs: The lungs are the main organs of the respiratory system. They are located on either side of the heart in the thoracic cavity. The lungs are made up of millions of tiny air sacs called alveoli, where oxygen is exchanged for carbon dioxide during the process of respiration.

8. Alveoli: Alveoli are small, sac-like structures in the lungs where gas exchange occurs. The alveoli have thin walls and are lined with capillaries, which are tiny blood vessels. Oxygen from the air we breathe diffuses into the capillaries, and carbon dioxide diffuses from the capillaries into the alveoli.

9. Diaphragm: The diaphragm is a large muscle located at the base of the thoracic cavity that plays a vital role in breathing. The diaphragm contracts and relaxes to draw air in and out of the lungs during inhalation and exhalation.