What are the main things in respiratory system?
- The nose and mouth. These are the openings through which air enters and exits the body.
- The pharynx. This is the throat, which connects the nose and mouth to the larynx.
- The larynx. This is the voice box, which is located at the top of the trachea.
- The trachea. This is the windpipe, which carries air to and from the lungs.
- The bronchi. These are the two large branches of the trachea that enter the lungs.
- The bronchioles. These are the smaller branches of the bronchi that carry air to the alveoli.
- The alveoli. These are the small sacs in the lungs where gas exchange occurs.
- The lungs. These are the two large organs in the chest cavity that are responsible for gas exchange.
- The diaphragm. This is the muscle that separates the chest cavity from the abdominal cavity and helps to move air in and out of the lungs.
- The respiratory muscles. These are the muscles that help to move the diaphragm and the rib cage, which causes air to move in and out of the lungs.
The respiratory system is a vital part of the body that helps to keep us alive. It allows us to breathe, which is essential for our survival.