Respiratory System ~ Detailed Guide

September 5, 2021

What is Respiratory System ?

The respiratory system works to exchange oxygen from the lungs with carbon dioxide from the other cells in a body. Oxygen, a gas staple in cells, is used by bodies for everyday tasks such as activities and processes. The human body doesn’t naturally produce all of the oxygen it needs to maintain a healthy lifestyle while breathing, so it takes in its nutrients from food instead.

Lungs are connected to the blood stream, which acts as the immune system. Lungs are also connected to organs through the cardiovascular system.

The respiratory system is a part of the human anatomy which is composed of a set of organs that performs the process of respiration. There are two membranes, one inside and one outside, which have been specially adapted to permit gas exchange between inhaled air and the blood. This membrane is composed of respiratory epithelium tissue that lines both the inner and outer passages of the respiratory system. In doing so, it also exchanges sugar, water, ions and other substances with the body’s cells.

The respiratory tract is the pathway in an animal running from the nose to the lungs or gasps. It mediates air intake, gas exchange, and removal of moisture.

The respiratory system is made up of passages that run through your body. There’s some that start at the nose and mouth, while others end in the lungs. This system has several functions (getting oxygen into organs, circulating blood).

The respiratory system is composed of the nose, nasal cavity, paranasal sinuses, pharynx, larynx, bronchi and lungs. It helps the body get rid of waste gas in the lungs. It also helps with filtering oxygen in order to receive messages.

Respiratory System Function –

Our respiratory system is so important. Without it, we cannot take in oxygen and release carbon dioxide, which we need for cells to function and survive. Without a respiratory system our body would quickly become depleted of oxygen because this air doesn’t seep into our lungs as well as it should. With the respiratory system, not only do we take in the much-needed oxygen but also rid our bodies of toxic air that could be harmful to our health such as carbon monoxide and sulfur dioxide.

The respiratory system’s purpose is to bring oxygen into the body. This gas is then distributed through the bloodstream, carrying it to cells that need it in order to function properly. When the blood brings this gas to areas where it’s needed, carbon dioxide will travel back in by means of reverse blood flow.

The respiratory system is one of the functional systems, and it helps to serve a number of functions: transport oxygen and carbon dioxide, detect airborne particles and gasses, defend against airborne pathogens and toxins through coughing and sneezing.

The respiratory system provides oxygen and removes carbon dioxide. This is accomplished through the use of the diaphragm and the expansion and contraction of muscular walls.

The respiratory system is responsible for taking oxygen and nutrients into the cells and getting rid of carbon dioxide and other toxins that the body can’t metabolize. Every cell in our body needs oxygen to function, so the respiratory system is vital.

The respiratory system helps in inhalation, exhalation, and air delivery to the lungs. Breathing deeply into the belly stimulates its function. The overall importance of breathing is that it provides oxygen to all organs in our body. It supports various chemical reactions, regulates blood pH levels, aids in circulation, maintains cellular integrity by letting out carbon dioxide, buffers any overproduction of acid/alkali and optimizes our cardiovascular health.


Respiratory System Diagram –


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Respiratory System Parts –

In order to characterize the lungs and respiratory system, you will need to review characteristics such as where the lobes of the lung are located and how each different area of the lung is labeled.

The respiratory system is made up of some important parts. It includes the nose, windpipe, lungs, bronchi, alveoli, diaphragm, ribs and more. The windpipe leads to the voicebox or vocal cords which are connected to the larynx. Finally it leads to the lungs where carbon dioxide is removed and oxygen absorbed.

A respiratory tract tumor may not always be life-threatening, but it could affect one’s quality of life, which is why it’s important to see a doctor. The veterinarian may perform a radiograph to check for cancer in the respiratory tract and chest area. They will also extract a sample from skin, urine or mucous to rule out viral causes of cancerous cells or bacteria.

The respiratory system is a vital part of the human body and there are many parts and features that come into play. Respiratory tract, nose, throat, lungs, bronchi .etc.

1. Vestibule: The lowest part of the mouth cavity that opens into the nasal and oral cavities and surrounds the opening of the larynx

2. Nasal Cavity: An internal cavity bounded by two bones: the ethmoid and frontal bones, and containing the nasal passage

3. Larynx: A cartilaginous structure lying in front of the trachea, containing what is known as “voice box;” it is composed of such muscles as those for raising and lowering the vocal cords

Breathing is crucial to sustaining life, and it’s an automatic reflex that we perform without thinking. It differs from person to person depending on factors such as height, weight and body makeup.



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