What organs make up the upper and lower respiratory system?
Six major organs form the respiratory tract, which is divided into the upper respiratory tract and the lower respiratory tract. The upper respiratory tract is comprised of the nasal cavity, pharynx, and larynx. The lower respiratory tract is comprised of the trachea, bronchi, and lungs.
What are the organs of the lower respiratory tract quizlet?
Terms in this set (25) the lower respiratory tract begins with the trachea and includes the main stem bronchi, bronchial tubes and lungs (alveoli). The trachea, bronchi and bronchial tubes are lined with ciliated pseudostratified columnar epithelium, contained in a mucous membrane.
Which organ is not found in the upper respiratory tract?
So, the correct answer is 'Trachea'
What organs are in the upper respiratory tract quizlet?
The organs of the upper respiratory tract are the nose, nasopharynx, oropharynx, laryngopharynx, and larynx. The principal organs of the lower respiratory tract include the trachea, all segments of the bronchial tree, and the lungs.
What are the organs of the respiratory system?
The different organs of the respiratory system are nose, pharynx, epiglottis, larynx, trachea, bronchi and lungs. These organs carry out the process of respiration. Would you like to write for us? Well, we're looking for good writers who want to spread the word.
Which organs are involved in the process of respiration?
The different organs of the respiratory system such as nose, larynx, trachea, bronchi, etc. carry out the process of respiration/breathing. All these organs play an important role in supplying oxygen to the body and allowing its smooth functioning.
What organs are in the pleural cavity?
Human lungs are conical organs present inside the pleural cavities. They carry out the work of supplying the body with oxygen and removing carbon dioxide.#N#1. The left lung is divided into 2 lobes (superior and inferior) while the right lung into 3 (superior, inferior and middle).#N#2. Each lung possesses a triangular organ called hilum; blood vessels, nerves, lymphatics and bronchi pass through the hilum.
How many alveoli are there in the human body?
1. There are over 600 million alveoli in the lungs of an adult human being. 2. The right and left lungs of the human respiratory system do not have the same size. In fact, the left lung is a bit smaller than the right one. 3. The human body loses about 0.5 liters of water everyday through the process of breathing. 4.
Where are the alveoli located?
The alveoli are sac-shaped bodies present inside the lungs, at the tip of alveolar ducts. The alveoli function like an interface for the exchange of oxygen and carbon dioxide between lungs and capillaries.#N#1. Capillaries connect the alveoli with the rest of the body.#N#2. Alveoli are found in the lungs of mammals only.
Where is the epiglottis located?
It is located at the opening of larynx (back of the tongue); the epiglottis is covered with mucous. 2. Since the epiglottis gets abraded easily (it lies in the digestive tract), its surface is covered with a layer of non-keratinized and stratified squamous epithelial cells.
What is the pharynx?
Pharynx is a tubular part of the respiratory system which allows the passage of air into lungs. It is located behind the nasal and oral cavities. Pharynx is connected to the skull cavity by means of muscles and connective tissues. The different parts of pharynx are as follows:
Which structure is responsible for letting air travel down the airways to reach the lungs?
Trachea. Beginning from the inferior end of the larynx, it is a flexible pipe-like structure primarily responsible for letting the inhaled air travel down the airways to reach the lungs [4].
Where are the alveoli located?
Alveoli (alveolus), the last part of the lower respiratory tract, are the tiny air sacs located in clusters at the end of the bronchioles [8]. Collectively referred to as the alveolar sacs, these are surrounded by an intricate network of blood capillaries. This is the primary respiratory area within the human body, where the inhaled air travels through the trachea, bronchi, and bronchioles, and comes in contact with the blood capillaries so the oxygen and carbon-dioxide exchange can take place. The oxygen from the inhaled air is passed into the blood cells to be carried throughout the body, while the carbon-dioxide from different parts of the body reaches the lungs to be carried out with the air during exhalation [9, 6].
What are the smallest branches of the airways?
Once the bronchi enter the lungs, they start branching further into smaller airways – first into the secondary bronchi, then the tertiary bronchi, to finally divide into the smallest branches of the airways, the bronchioles [7].
Where does air travel in the body?
This is the primary respiratory area within the human body, where the inhaled air travels through the trachea, bronchi, and bronchioles, and comes in contact with the blood capillaries so the oxygen and carbon-dioxide exchange can take place.
Which organs are protected by the rib cage?
The organs making up the lower respiratory tract are all protected and kept in place by the rib cage, and the sternum, while the diaphragm and the intercostal muscles are vital to their functioning as well [3].
What is the second half of the human airways?
The second half of the human airways, continuing after the larynx, including the trachea, bronchi, and the respiratory structures within the lungs – the, bronchioles, and alveoli, is referred to as the lower respiratory tract [1, 2].
What are the bones and muscles that surround the respiratory system?
Some of the bones and muscles in the respiratory system include your: Diaphragm: Muscle that helps your lungs pull in air and push it out. Ribs: Bones that surround and protect your lungs and heart. When you breathe out, your blood carries carbon dioxide and other waste out of the body.
What is the respiratory system?
Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. Common problems include allergies, diseases or infections.
What is a spirometer?
A spirometer is a device that can tell how much air you inhale and exhale. See your doctor for regular checkups to help prevent serious respiratory conditions and lung disease. Early diagnosis of these issues can help prevent them from becoming severe.
What are the lobes of the lungs?
Lung lobes: Sections of the lungs — three lobes in the right lung and two in the left lung. Pleura: Thin sacs that surround each lung lobe and separate your lungs from the chest wall. Some of the other components of your respiratory system include:
What diseases affect the respiratory system?
Disease: Respiratory disorders include lung cancer and chronic obstructive pulmonary disease (COPD). These illnesses can harm the respiratory system’s ability to deliver oxygen throughout the body and filter out waste gases. Aging: Lung capacity decreases as you get older.
What are the two parts of the respiratory system that help regulate the temperature and humidity of the air you inhale?
Your airways are a complicated system that includes your: Mouth and nose: Openings that pull air from outside your body into your respiratory system. Sinuses: Hollow areas between the bones in your head that help regulate the temperature and humidity of the air you inhale.
What causes inflammation in the respiratory system?
Conditions that can cause inflammation (swelling, irritation and pain) or otherwise affect the respiratory system include: Allergies: Inhaling proteins, such as dust, mold, and pollen, can cause respiratory allergies in some people. These proteins can cause inflammation in your airways.
Where are the organs of the upper respiratory tract located?
Upper respiratory tract: Composed of the nose, the pharynx, and the larynx, the organs of the upper respiratory tract are located outside the chest cavity.
What is the respiratory system?
The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of gases between the air and blood, and between the blood and the body’s billions ...
What is the role of the respiratory system in the sense of smell?
In addition to air distribution and gas exchange, the respiratory system filters, warms, and humidifies the air you breathe. Organs in the respiratory system also play a role in speech and the sense of smell.
Which organs provide oxygen to the body?
Lungs: Together the lungs form one of the body’s largest organs. They’re responsible for providing oxygen to capillaries and exhaling carbon dioxide. Bronchi: The bronchi branch from the trachea into each lung and create the network of intricate passages that supply the lungs with air.
Which organ plays a role in speech?
The pharynx also plays a role in speech. Larynx: The larynx is essential to human speech. Lower respiratory tract: Composed of the trachea, the lungs, and all segments of the bronchial tree (including the alveoli), the organs of the lower respiratory tract are located inside the chest cavity.
What are the functions of the respiratory system?
The major organs of the respiratory system function primarily to provide oxygen to body tissues for cellular respiration, remove the waste product carbon dioxide, and help to maintain acid-base balance. Portions of the respiratory system are also used for non-vital functions, such as sensing odors, speech production, and for straining, ...
What is the main entrance and exit of the respiratory system?
The Nose and its Adjacent Structures. The major entrance and exit for the respiratory system is through the nose. When discussing the nose, it is helpful to divide it into two major sections: the external nose, and the nasal cavity or internal nose.
What is the larynx?
The larynx is a cartilaginous structure inferior to the laryngopharynx that connects the pharynx to the trachea and helps regulate the volume of air that enters and leaves the lungs ( Figure 22.1.6 ). The structure of the larynx is formed by several pieces of cartilage. Three large cartilage pieces—the thyroid cartilage (anterior), epiglottis (superior), and cricoid cartilage (inferior)—form the major structure of the larynx. The thyroid cartilage is the largest piece of cartilage that makes up the larynx. The thyroid cartilage consists of the laryngeal prominence, or “Adam’s apple,” which tends to be more prominent in males. The thick cricoid cartilage forms a ring, with a wide posterior region and a thinner anterior region. Three smaller, paired cartilages—the arytenoids, corniculates, and cuneiforms—attach to the epiglottis and the vocal cords and muscle that help move the vocal cords to produce speech.
How many regions are there in the pharynx?
The pharynx is divided into three major regions: the nasopharynx, the oropharynx, and the laryngopharynx ( Figure 22.1.5 ). Figure 22.1.5 – Divisions of the Pharynx: The pharynx is divided into three regions: the nasopharynx, the oropharynx, and the laryngopharynx.
What is the largest piece of cartilage that makes up the larynx?
The structure of the larynx is formed by several pieces of cartilage. Three large cartilage pieces—the thyroid cartilage (anterior), epiglottis (superior), and cricoid cartilage (inferior)—form the major structure of the larynx. The thyroid cartilage is the largest piece of cartilage that makes up the larynx.
What is the external nose?
The external nose consists of the surface and skeletal structures that result in the outward appearance of the nose and contribute to its numerous functions ( Figure 22.1.2 ). The root is the region of the nose located between the eyebrows. The bridge is the part of the nose that connects the root to the rest of the nose.
Which structure in the conducting zone is essential to the sense of odor?
Several structures within the conducting zone perform other functions as well. The epithelium of the nasal passages, for example, is essential to sensing odors, and the bronchial epithelium that lines the lungs can metabolize some airborne carcinogens.
What are the three parts of the respiratory system?
The three major parts of the respiratory system all work together to carry out their task. The airways (nose, mouth, pharynx, larynx etc.) allow air to enter the body and into the lungs. The lungs work to pass oxygen into the body, whilst removing carbon dioxide from the body. The muscles of respiration, such as the diaphragm, ...
How many alveoli are there in the lungs?
There are estimated to be three million alveoli in the average lung. Diaphragm. The diaphragm is an important muscle of respiration which is situated beneath the lungs. The diaphragm contracts to expand the space inside the thoracic cavity, whilst moving a few inches inferiorly into the abdominal cavity.
What are the respiratory problems?
You should also know that many conditions and illnesses can affect the respiratory system, some of the common problems include: - 1 Asthma – Asthma leads to a narrowing of the airways, which can cause breathlessness and wheezing. 2 Bronchitis – A condition that causes inflammation of the mucus lining within the one lung or both. 3 Emphysema – A disease that affects alveoli. 4 Influenza – An illness caused by a virus that can have a detrimental affect on one’s respiratory system. 5 Laryngitis – When one’s vocal chords (larynx) become inflamed. 6 Pneumonia – When one or both lungs become inflamed. 7 Lung cancer – Although commonly associated with smokers, lung cancer can also affect those who do not smoke.
What is the name of the condition where the vocal chords become inflamed?
Laryngitis – When one’s vocal chords (larynx) become inflamed. Pneumonia – When one or both lungs become inflamed. Lung cancer – Although commonly associated with smokers, lung cancer can also affect those who do not smoke. Now you know all about anatomy of respiratory system and things that can go wrong.
What is the name of the tube that connects the windpipe to the lungs?
Bronchi. The bronchi are two tubes stemming off of the end of the trachea. Each tube is connected to a lung. The bronchi connect the wind pipe to the lungs, allowing air from external respiratory openings to pass efficiently into the lungs.
What is the trachea made of?
Also known as the wind pipe, the trachea is a tube made of cartilage rings that are lined with pseudostratified ciliated columnar epithelium. The main respiratory function of the trachea is to provide a clear and unhindered airway for air to enter and exit the lungs.
What are the organs that work in unison?
The muscles of respiration, such as the diaphragm, work in unison to pump air into and out of the lungs whilst breathing. Respiratory Organs. Description. Function. Nose and Nasal Cavity. The nose is the primary opening for the respiratory system, made of bone, muscle, and cartilage. The nasal cavity is a cavity within your nose filled ...
Where does the lower respiratory system begin?
The simplest way to remember where the lower respiratory system begins is the larynx. Memory Aid: Lower Respiratory System = Larynx. Anything generally below the larynx is the lower respiratory tract, and anything above the larynx, specifically the vocal folds, is the upper respiratory tract.
What are the two parts of the respiratory system?
There are two parts to our respiratory system: 1) the upper respiratory system and 2) the lower respiratory system . We will explain the differences between the upper and lower respiratory system and the differences between upper respiratory tract infections and lower respiratory tract infections.
What are the structures of the upper respiratory system?
Our upper respiratory system contains the following structures: nose/nostrils, nasal cavity, mouth, throat or pharynx, and larynx above the vocal folds. The main function of the upper respiratory system is to filter, warm, and humidify the air. Other functions include providing a clear patent airway for air to enter and exit the lungs through nose and mouth.
What are some examples of upper respiratory tract infections?
Examples of upper respiratory tract infections include sinusitis (also known as a sinus infection) and laryngitis (inflammation of the larynx), among many.
What are the two parts of the respiratory system?
The respiratory tract can be divided into two sections based on the position and function. They are the upper respiratory tract and the lower respiratory tract. The upper respiratory tract is composed of nose, sinus, pharynx, and larynx while the lower respiratory tract is composed of trachea, bronchi, bronchioles, and alveoli.
What is the difference between the upper and lower respiratory tract?
The main difference between upper and lower respiratory tract is that upper respiratory tract is mainly involved in the conduction of air to the bottom parts whereas lower respiratory tract is mainly involved in the gas exchange.
What are the three types of bronchioles?
The three types of bronchioles are lobular bronchioles, terminal bronchioles, and respiratory bronchioles. Trachea, bronchi and bronchioles are made up of pseudostratified epithelium. The components of upper and lower respiratory tract are shown in figure 2.
What is the function of the upper respiratory tract?
Upper Respiratory Tract: The main function of the upper respiratory tract is to conduct air to the bottom part of the respiratory tract. Lower Respiratory Tract: The main function of the lower respiratory tract include the conduction of air and gas exchange.
What is the difference between the respiratory system and the respiratory system?
Main Difference – Upper vs Lower Respiratory Tract. Respiratory system in animals consists of organs and structures that are adapted for gas exchange. Lungs are the major organs involved in the gas exchange in higher animals. The respiratory tract can be divided into two sections based on the position and function.
Which organ is lined by the squamous epithelium?
Figure 2: Upper and Lower Respiratory Tract. The alveoli and the respiratory bronchioles are lined by the simple squamous epithelium. Both alveoli and respiratory bronchioles are involved in the gas exchange. They receive deoxygenated blood through the pulmonary artery from the right ventricle of the heart.
Which part of the respiratory system cleans the air?
Thus, in addition to conduction of air to the bottom parts of the respiratory system, the upper respiratory tract cleans the air. The anatomy of the upper respiratory system is shown in figure 1.
What Is The Lower Respiratory Tract
- The lower respiratory system, or lower respiratory tract, consists of the trachea, the bronchi and bronchioles, and the alveoli, which make up the lungs. These structures pull in air from the upper respiratory system, absorb the oxygen, and release carbon dioxide in exchange. Other structures, namely the thoracic cage (or rib cage) and the diaphrag...
Lower Respiratory Tract Structural and Functional Anatomy
Health Conditions Associated with The Lower Respiratory System