Asked by: Sina Fervença
medical health lung and respiratory health

Which of the following is a part of the upper respiratory tract?

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The upper airways or upper respiratory tract includes the nose and nasal passages, paranasal sinuses, the pharynx, and the portion of the larynx above the vocal folds (cords). The lower airways or lower respiratory tract includes the portion of the larynx below the vocal folds, trachea, bronchi and bronchioles.


In this manner, what is the main function of the upper respiratory tract?

The upper airway not only provides a passage for air to be breathed in and out of the lungs, but it also heats, humidifies and filters the air and is involved in cough, swallowing and speech.

Subsequently, question is, what is the most inferior portion of the upper respiratory tract? laryngopharynx

In this manner, where is the upper respiratory system 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 are the causes of upper respiratory tract infection?

Introduction. A variety of viruses and bacteria can cause upper respiratory tract infections. These cause a variety of patient diseases including acute bronchitis, the common cold, influenza, and respiratory distress syndromes.

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What are the upper airway structures?

The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx). The respiratory system is lined with a mucous membrane that secretes mucus. The mucus traps smaller particles like pollen or smoke.

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What is upper respiratory tract infection?

An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, or larynx. Most infections are viral in nature, and in other instances, the cause is bacterial.

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What are the main parts of respiratory system?

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Is the nose an organ?

The nose is the body's primary organ of smell and also functions as part of the body's respiratory system. Air comes into the body through the nose. As it passes over the specialized cells of the olfactory system, the brain recognizes and identifies smells.

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What structures are located in 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.

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What is the difference between the upper and lower respiratory tract?

The upper respiratory tract includes the mouth, nose, sinus, throat, larynx (voice box), and trachea (windpipe). The lower respiratory tract includes the bronchial tubes and the lungs. Bronchitis and pneumonia are infections of the lower respiratory tract.

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How do we breathe?

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

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What are the six respiratory structures?

Such structures include the nasal cavity, pharynx, larynx, trachea, and most of the bronchial tree. The respiratory zone includes all the organs and structures that are directly involved in gas exchange, including the respiratory bronchioles, alveolar ducts, and alveoli.

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What are the conducting airways?

The conducting airways, which serve to conduct, clean, warm, and moisten the air. This portion is composed of the nose, pharynx, larynx, trachea, bronchi, and bronchioles. These are located entirely within the lung and are represented by respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli.

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Which side is the windpipe on?

The trachea begins just under the larynx (voice box) and runs down behind the breastbone (sternum).

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What respiratory system means?

The respiratory system is the set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body. An example of respiratory system is the human's nasal passages, larynx, trachea, bronchial tubes and lungs. YourDictionary definition and usage example.

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What does the larynx do?

Medical Definition of Larynx
long. It is part of the respiratory system and is located between the pharynx and the trachea. Humans use the larynx to breathe, talk, and swallow. Its outer wall of cartilage forms the area of the front of the neck referred to as the Adam's apple.

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Are teeth an important part of the respiratory system?

This system is in charge of supporting the body and all of the systems in it. Teeth are also part of the skeletal system. Bones are strong so they can protect fragile organs inside the body. The ribs are in place in the chest to protect the heart and lungs.

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How does the respiratory system work?

The primary organs of the respiratory system are the lungs, which function to take in oxygen and expel carbon dioxide as we breathe. The gas exchange process is performed by the lungs and respiratory system. Air, a mix of oxygen and other gases, is inhaled. Once in the lungs, oxygen is moved into the bloodstream.

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Why is mucus important in the respiratory system?

The mucus that's produced in your respiratory tract has 3 important jobs: MUCUS PROTECTS. Mucus moistens and warms inhaled air and keeps the mucus membrane cells and the little hairs called "cilia" lubricated. Mucus also keeps them from invading the cells lining your airway and entering your system.

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Are sinuses part of the respiratory system?

The nose and paranasal sinuses are part of the upper respiratory tract. The functions of the nose include the sense of smell and conditioning of inhaled air by warming it and making it more humid. The paranasal sinuses are air-filled spaces around the nasal cavity that have many possible functions.

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How is mucus removed from the upper respiratory tract?

Respiratory tract
Nasal mucus may be removed by blowing the nose or by using nasal irrigation. Excess nasal mucus, as with a cold or allergies, due to vascular engorgement associated with vasodilation and increased capillary permeability caused by histamines, may be treated cautiously with decongestant medications.

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What separates upper and lower respiratory tract?

The respiratory tract is divided into upper and lower respiratory tracts. The nasal cavity, pharynx, and larynx make up the upper respiratory tract. The trachea, bronchi, bronchioles, and alveoli constitute the lower respiratory tract. The trachea divides into two branches, which lead to the bronchi.

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What is the function of the epiglottis?

The epiglottis is a leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, or voice box. The main function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhaled.

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8th January, 2020

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