What Is the Function of the Respiratory System?
When you breathe in and out, your respiratory system is working. The respiratory system if made up of various organs that allow you to take in oxygen and expel carbon dioxide. If you don’t have oxygen, and you can’t get rid of carbon dioxide, your body can’t live for longer than a few minutes. Which organs make up the respiratory system? What are the functions of the respiratory system?
What Are the Components of the Respiratory System?
The respiratory system is made up of several organs that work in tandem to help you breathe. If something goes wrong with one of these organs, then the rest of them don’t work as well. The list below includes the various components of your respiratory system.
What Is the Function of the Respiratory System?
Each part of your body works together seamlessly to create the breathing that you need to survive. Here are the functions of the respiratory system and how each organ works in tandem with the rest to create seamless, effortless breathing.
1. Breathing-Inhalation and Exhalation
The Act of Breathing:
When you inhale air through your nose or mouth, it goes straight to the trachea, or windpipe. Just below that, the trachea divided into several tubes known as bronchial tubes. The air you breathe goes into these, then into bronchioles in the lungs, which are even smaller tubes. The air then fills little sacs in the lungs, called alveoli. There are over 300 million of these in the typical human body.
The alveoli are surrounded by tiny blood vessels. These blood vessels suck the oxygen out of the air you have just taken in and send it to the blood, where it goes to the heart, where it is then pumped around your body to give your cells the oxygen they need.
As this happens, carbon dioxide is formed. The blood carries that back to your lungs, where the process reverses. When you breathe out, you are exhaling the carbon dioxide that was created inside your body. With each breath, the process continues.
Role of Diaphragm in Breathing:
One of the most important components of your body is the diaphragm. This is a large muscle shaped like a dome that sits right underneath your lungs. When you take a breath, the diaphragm pushes downward, creating a vacuum that then sucks the air into your lungs. When you exhale, the diaphragm pushes upward and outward, forcing the carbon dioxide from your body. An injury to the diaphragm can make it difficult to breathe, even if there is nothing wrong with the rest of your respiratory system.
2. Clearing the Air
The respiratory system also plays defense for you. The nose is filled with tiny hairs that filter out large particles. These hairs are also found among the air passages, where they move back and forth to “sweep” the air clean. The Mucus produced in your respiratory system works to trap foreign invaders, such as bacteria, and prevent it from going deeper into your body. Finally, the things that do get past these defense systems can be coughed up from the lungs and expelled.
This video is a great introduction to the respiratory system:
When you breathe in and out, your respiratory system is working. The respiratory system if made up of various organs that allow you to take in oxygen and expel carbon dioxide. If you don’t have oxygen, and you can’t get rid of carbon dioxide, your body can’t live for longer than a few minutes. Which organs make up the respiratory system? What are the functions of the respiratory system?
What Are the Components of the Respiratory System?
The respiratory system is made up of several organs that work in tandem to help you breathe. If something goes wrong with one of these organs, then the rest of them don’t work as well. The list below includes the various components of your respiratory system.
Major Organs | Nose, mouth, larynx, pharynx, trachea, lungs, bronchi |
Upper Respiratory Tract | The nose, nasal cavity, sinuses (ethmoid, frontal, maxillary, and sphenoid). Larnyx and trachea. |
Lower Respiratory Tract | The lungs, airways (bronchi and bronchioles), and air sacs, or alveoli. |
What Is the Function of the Respiratory System?
Each part of your body works together seamlessly to create the breathing that you need to survive. Here are the functions of the respiratory system and how each organ works in tandem with the rest to create seamless, effortless breathing.
1. Breathing-Inhalation and Exhalation
The Act of Breathing:
When you inhale air through your nose or mouth, it goes straight to the trachea, or windpipe. Just below that, the trachea divided into several tubes known as bronchial tubes. The air you breathe goes into these, then into bronchioles in the lungs, which are even smaller tubes. The air then fills little sacs in the lungs, called alveoli. There are over 300 million of these in the typical human body.
The alveoli are surrounded by tiny blood vessels. These blood vessels suck the oxygen out of the air you have just taken in and send it to the blood, where it goes to the heart, where it is then pumped around your body to give your cells the oxygen they need.
As this happens, carbon dioxide is formed. The blood carries that back to your lungs, where the process reverses. When you breathe out, you are exhaling the carbon dioxide that was created inside your body. With each breath, the process continues.
Role of Diaphragm in Breathing:
One of the most important components of your body is the diaphragm. This is a large muscle shaped like a dome that sits right underneath your lungs. When you take a breath, the diaphragm pushes downward, creating a vacuum that then sucks the air into your lungs. When you exhale, the diaphragm pushes upward and outward, forcing the carbon dioxide from your body. An injury to the diaphragm can make it difficult to breathe, even if there is nothing wrong with the rest of your respiratory system.
2. Clearing the Air
The respiratory system also plays defense for you. The nose is filled with tiny hairs that filter out large particles. These hairs are also found among the air passages, where they move back and forth to “sweep” the air clean. The Mucus produced in your respiratory system works to trap foreign invaders, such as bacteria, and prevent it from going deeper into your body. Finally, the things that do get past these defense systems can be coughed up from the lungs and expelled.
This video is a great introduction to the respiratory system:
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