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Doctor insights on: What Divides The Upper And Lower Respiratory System

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What are the functions of the upper respiratory system?

What are the functions of the upper respiratory system?

Upper respiratory: structures include the sinuses, nasal passages, throat, pharynx, tonsils and vocal cords. Other than allowing passage of Oxygenated air, it is rich in mucus glands to protect the airway from viruses and microbes, It is also rich in immunologic cells to combat microbes. ...Read more

Dr. Daniel Saurborn
7 doctors shared insights

Respiratory System (Definition)

The respiratory system consists of all organs in the body related to breathing including the nose, mouth, trachea and lungs. All four of these are ...Read more


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What's the difference between upper and lower respiratory tract infection ?

What's the difference between upper and lower respiratory tract infection ?

The term....: "upper respiratory infection" usually refers to the common cold, but generally means any infection that effects the upper part of the respiratory (breathing) system, namely the nose and throat. The lower respiratory tract is made up of the large airways and the lungs. A lower respiratory infection usually means bronchitis or pneumonia, tends to be more severe and to affect breathing much more. ...Read more

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What is the different between upper and lower motor neuron lesions?

What is the different between upper and lower motor neuron lesions?

Lesion Localization: The upper motor neurons also called “Cortical Motor Neurons” are located in the motor cortex of the brain. The the spinal motor neurons are the lower motor neurons. Signs of UMN is a stiffness and resistance to movement. Signs of LMN damage include weakness, muscle atrophy. Hope it helps. ...Read more

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What do the organs in the respiratory system do?

What do the organs in the respiratory system do?

Get oxygen to blood: Respiration is the process of bringing oxygen into the lungs and exhaling carbon dioxide out of them. Once inside the lungs, the oxygen crosses cell membranes to get into the blood stream. The blood circulates the oxygen to the rest of the body including the brain which cannot function without it. Carbon dioxide is the waste product of well functioning cells and is also carried back by the blood. ...Read more

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What are the causes of stiffness and tightness in the entire upper abdomen upto the ribs?

What are the causes of stiffness and tightness in the entire upper abdomen upto the ribs?

See below: This potentially dangerous problem mandates a real-time (face-to-face) meeting with a doctor. A history has to be taken along with a examination as well as labs and other tests. Only after all this will your doctor be in a position to tell you what's wrong and what needs to be done to help you. ...Read more

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What are the causes of pain in your upper and lower left side of your stomach?

What are the causes of pain in your upper and lower left side of your stomach?

Anything: Most people think their whole abdomen is their stomach, but the stomach is in the upper middle or upper left of the abdomen. If your lower abdomen hurts, that could be your skin, muscles, bladder, uterus, or intestines. If the upper part of your abdomen hurts, it could be acid reflux, pancreatitis, or other problems. See a doctor for an assessment. ...Read more

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What will cause pneumonia in the upper right lobe?

What will cause pneumonia in the upper right lobe?

Many organisms: Many organisms (bacteria, viruses etc.) can cause infection in right upper lobe. The type of infection also depends on the age of the patient, their immune status & other coexisting medical conditions. Tests that can be done to identify the causative organism include sputum culture or culture of specimen obtained by bronchoalveolar lavage (washing of the involved lung segment). Talk to your doctor. ...Read more

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What causes stiffness and tightness in the entire upper abdomen into the ribs?

What causes stiffness and tightness in the entire upper abdomen into the ribs?

Many things: Anything from gas to ulcers can cause these feelings. If you're able to keep fluids down and not have a high fever, things should be fine. If symptoms worsen, see your family doctor. ...Read more

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What do the organs of the respiratory system do?

Respiratory system: Its functions are breathing, getting oxygented air to the blood/organs. ...Read more

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What causes bleeding in your upper part of the GI tract?

What causes bleeding in your upper part of the GI tract?

Many things: The most common are ulcers and gastritis. Cancer is also a cause. People with cirrhosis of the liver may have dramatic episodes of throwing up blood due clotting off a vein that supplies the liver. ...Read more

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What causes stiffness and tightness in the entire upper abdomen up into the ribs?

See below: This problem mandates a real-time (face-to-face) meeting with a doctor. A history has to be taken along with a examination as well as labs and other tests. Only after all this will your doctor be in a position to tell you what's wrong and what needs to be done to help you. ...Read more

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What causes ptosis of the upper and lower eyelid?

What causes ptosis of the upper and lower eyelid?

Many possible causes: The most common cause is due to aging, but a droopy eye lid could be caused by local inflammation, nerve disorders such as multiple sclerosis, muscle disorders such as myasthenia gravis, and a host of other diseases. See an ophthalmologist for evaluation of your ptosis. ...Read more

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What's the cause of blister in the upper left lip?

What's the cause of blister in the upper left lip?

Most likely: Herpes type 1 or 2 please see your doc as u need to get started on a med like Valtrex (valacyclovir) to get rid of it and the doc can do a culture to confirm or see if it is something else. ...Read more

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Can cerivcal neck spinosis affect the legs and feet, or just the upper half of the body?

Yes: When you have issues with your spine, it starts at the level of injury and can affect everything below it. If you have problems in your neck, it can affect your arms, legs, back, feet, etc. It depends where the pressure on the spine is that will determine where/what you feel. ...Read more

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What would be the cause of pain when pressure is applied to the lower and upper back, the ribs, the sternum and neck?

What would be the cause of pain when pressure is applied to the lower and upper back, the ribs, the sternum and neck?

Hard to say: Sometimes problems with your skin/herpes can cause pain. Other causes like muscular, ribs, can be painful to touch . If pain is around the sternum and radiates to the back costochondritis would be a concern. If this pain is only reproduced by pressure it is more likely musculoskeletal. However with all chest pressures its best addressed in person. See your doctor. ...Read more

Dr. Adam Lewis
1 doctor shared a insight

Respiratory (Definition)

Pertaining to the work of breathing done by the chest ...Read more