Respiratory (Breathing) system

Respiratory system

 

 

 

 

 

 

 

 

The Functions of the Lungs. 

  • Take in oxygen.
  •  Remove carbon dioxide.
  • Release small amounts of water as water vapour.

 

Homework: Outline the function of the nose, larynx and the epiglottis.

Be sure to link your source of information.

9 thoughts on “Respiratory (Breathing) system

  1. Homework<3
    It is important to have your nose because: When you inhale air through your nostrils, the air enters the nasal passages and travels into your nasal cavity. You need your nose to breathe!The air then passes down the back of your throat into the trachea, or windpipe, on its way to the lungs. Your nose is also a two-way street. When you exhale the old air from your lungs, the nose is the main way for the air to leave your body. But your nose is more than a passageway for air. The nose also warms, moistens, and filters the air before it goes to the lungs.The nose has two holes called nostrils. The nostrils and the nasal passages are separated by a wall called the septum

    It is important to have your larynx because:The larynx, or voice box, is the organ that produces voice. Found inside the neck, right at the top of the windpipe, or trachea, it contains two bands of tissue called vocal cords, or vocal folds.In other words you ned your larynx to speakWhen we breathe, the vocal cords spread apart so that air can pass into and out of the lungs. But when we speak the cords come together, causing the air from the lungs to pass through a smaller space. This causes the vocal cords to vibrate. The sound from these vibrations goes up the throat and comes out of the mouth as a person's voice The larynx also plays an important role in protecting lungs by preventing foreign matter from entering the lower airway.

    It is important to have your epiglottis because:The epiglottis is super for swallowing. It's the part of your body that flops down over the windpipe when you swallow to keep food from going into your lungs. Without your epiglottis, you would cough or choke every time you eat.When you swallow, your epiglottis covers your larynx stopping food from entering your trachea. Your larynx is in the front of your neck above your trachea. It contains your vocal cords and also allows air to pass from your mouth into your trachea, and from there to your lungs.

    • Excellent research completed, your missing one thing… your website. Can you link your website and make sure that your information is in your own words. Very interesting, maith thú.

  2. http://www.healthline.com/human-body-maps/nose

    The Functions of the Nose:

    The nose is the body’s 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. Hairs in the nose clean the air of foreign particles. As air moves through the nasal passages, it is warmed and humidified before it goes into the lungs. The most common medical condition related to the nose is nasal congestion. This can be caused by illness, allergies, or environmental factors resulting in inflammation of the nasal passages. The body’s response to congestion is to convulsively expel air through the nose by a sneeze. Nosebleeds, known medically as epistaxis, are a second common medical issue of the nose. As many as 60 percent of people report nosebleed experiences, with the highest rates found in children under 10 and adults over 50. Rhinoplasty is a plastic surgery procedure for problems, both medical and aesthetic, with the nose. Besides human beings, mammals, fish, birds, and amphibians have noses.

    http://www.livestrong.com/article/78880-primary-functions-larynx/

    The Functions of the Larynx:

    The larynx (sometimes called the voice box) is a tube-shaped organ in the neck region between the pharynx (throat) and the trachea (breathing tube). The larynx houses the vocal cords and has a cartilaginous skeleton and intrinsic and extrinsic muscles that help it to carry out its primary functions, which include voice production, control of airflow (breathing) and swallowing.

    Voice Production:

    According to the University of Pittsburgh Voice Center, voice production occurs as the result of three components: the production of airflow, generation of sound and articulation of voice. The vocal folds, or vocal cords, lie in the center of the larynx. A cartilaginous structure called the arytenoid is at the back of the vocal cords. When we breathe, muscles attached to the arytenoids pull apart and open the airway to allow for airflow. As air passes by the vocal cords, they open and close rapidly, resulting in pressure changes that result in the production of sound. Intrinsic muscles in the larynx can produce changes to the position and tension of the vocal cords that alter the pitch of sound. The remainder of the vocal tract, including the throat, nose and structures of the mouth, are then involved in the production of speech.

    http://www.newhealthguide.org/Epiglottis-Function.html

    The Functions of the Epiglottis:

    The epiglottis is essentially a trapdoor in your throat. It is an elastic cartilage covered with a mucous membrane located at the entrance of the larynx (voice box) and the base of the tongue. It is shaped like a leaf and guards the entrance of the glottis (the opening between the vocal cords). The epiglottis is one of the nine cartilage structures that make up the larynx and it is covered with taste buds. The upper surface of the epiglottis can be seen through your mouth.

    Epiglottis Function

    When you swallow food, the epiglottis folds over the glottis to stop liquid and food from entering the trachea (wind pipe). Thus, food goes right to the esophagus so that one would not get choked. It also serves to produce speech sounds in some languages.

    How This Works?

    Two sets of muscles – intrinsic and extrinsic – are responsible for larynx movement. Intrinsic muscles control the vocal cords and speech, while extrinsic muscles control the laryngeal structure and the folding of the epiglottis. When you breathe and do normal activities, the epiglottis sits in an upright position and allows air to pass through the larynx and into the trachea and lungs.

    When you chew food and swallow, the chewed food reaches the pharynx (throat) and sets off the extrinsic muscles that make the entire larynx move upward. When this happens, the epiglottis touches the base of the tongue and blocks the glottis and the food is directed toward the esophagus. When the food hits the epiglottis, the extrinsic muscles relax and the epiglottis returns to its upright position and the larynx opens.

    Epiglottis Problem- Epiglottitis

    Causes

    Epiglottitis is when your epiglottis gets inflamed and swollen. Haemophilus influenza type b (Hib) bacteria is usually the cause of epiglottitis, but it can be caused by other bacteria or injury. Epiglottitis is considered a medical emergency because it can restrict the air supply to your lungs and children, in particular, can be vulnerable to it. Less common causes of epiglottitis include fungal and viral infections; trauma to the throat; and smoking illegal drugs such as crack cocaine and marijuana.

    Symptoms

    The onset of epiglottitis is fast, but it can also take up to a few days to develop in adults and older children. Symptoms include difficulty breathing and swallowing; a severe sore throat; excessive drooling; a high temperature of 38ºC (100.4ºF) or above; a hoarse voice; high pitched breathing.

    Breathing may improve when you lean forward. A swollen epiglottis is very serious because it can restrict oxygen supply to your lungs.

    Treatments and Prevention

    Epiglottitis is treated in the hospital by securing your airway with an oxygen mask or an oxygen tube inserted through your mouth into the trachea. In extreme emergency cases, a tracheostomy is performed allowing oxygen to enter the lungs and bypassing the epiglottis by placing a cut on the front of the trachea and inserting an oxygen tube. Once the airways are functioning, a tube is threaded through the nose and into the windpipe to help you breathe.

    You or your child will get liquids fed through an IV drip, until you or your child is able to swallow. Once you or your child is breathing, a broad spectrum of antibiotics will be injected into you and once the infection is identified, a specific antibiotic will be used to treat the exact infection. Antibiotics are administered for several days, and most adults and children recover in five to seven days from epiglottitis if the treatment is prompt.

    Haemophilus influenza type b (Hib) bacteria is usually the cause of epiglottitis and a vaccination since the 1990s has been available; it’s the best way to prevent epiglottitis.

    • Very thorough research completed, well referenced and multiple websites used. Is this in your own words? Very well structured and use of headings. be careful with American spelling e.g recognise is the spelling we use here in Ireland not recognize. Maith thú.

  3. The nose:

    Your nose lets you smell and it’s a big part of why you are able to taste things. The nose is also the main gate to the respiratory system, your body’s system for breathing. Let’s be nosy and find out some more about the nose.

    Nose Parts
    The nose has two holes called nostrils. The nostrils and the nasal passages are separated by a wall called the septum.Deep inside your nose, close to your skull, your septum is made of very thin pieces of bone.

    Closer to the tip of your nose, the septum is made of cartilage , which is flexible material that’s firmer than skin or muscle. It’s not as hard as bone, and if you push on the tip of your nose, you can feel how wiggly it is.

    Behind your nose, in the middle of your face, is a space called the nasal cavity. It connects with the back of the throat. The nasal cavity is separated from the inside of your mouth by the palate (roof of your mouth).

    Getting the Air in There
    When you inhale air through your nostrils, the air enters the nasal passages and travels into your nasal cavity. The air then passes down the back of your throat into the trachea (say: TRAY-kee-uh), or windpipe, on its way to the lungs.

    nose diagramYour nose is also a two-way street. When you exhale the old air from your lungs, the nose is the main way for the air to leave your body. But your nose is more than a passageway for air. The nose also warms, moistens, and filters the air before it goes to the lungs.

    The larynx: The larynx (voice box) is part of the respiratory system that holds the vocal cords. It is responsible for producing voice, helping us swallow and breathe. Air passes in and out of the larynx each time the body inhales or exhales. Air from the lungs passes over the stretched vocal cords, and the vibrations are modified by the tongue, palate, and lips to produce speech.

    The epiglottis: The epiglottis is a leaf-shaped flap of cartilage tissue that lies just behind the root of your tongue.When you swallow, your epiglottis covers your larynx ( voicebox) stopping food from entering your trachea (windpipe. Your larynx is in the front of your neck above your trachea. It contains your vocal cords and also allows air to pass from your mouth into your trachea, and from there to your lungs.

    • Sár-obair! Breaking down the key terminology for example ( TRAY-kee-uh ) is excellent for your fellow classmates. Make sure to always link the website where you sourced your information for top marks. Very well laid out, good structure and very clear. Always put your own twist on the information, reword or rephrase. Maith a bhean 🙂

  4. Why is your nose important ?
    Your nose is important because it is a vital organ ,you smell with it,and breathe with it .it is important because it processes the air before it enteres the lungs.(did you know an adult passes 20,000 litres of oxygen a day😉)

    Why is your larynx important ?
    Your larynx is also know as your voice box . It is a funnel shaped organ located in the throat. The primary source of the larynx are to protect the trachea or the windpipe . The larynx is important because you use it to communicate with people

    Why is your epiglottis important ?
    The epiglottis is a flap of tissue that seals off the windpipe and prevents food from entering it . The epiglottis is important because without it you would choke when you try to swallow your food

  5. The human respiratory system consists of the nose,nasal,cavity,and lungs.

    -The Nose:

    ~The air passes through the nasal cavities it is warmed and humidified, so that air that reaches the lungs is warmed and moist.
    ~ The Nasal airways are lined with cilia and kept moist by mucous secretions.
    ~The combination of cilia and mucous helps to filter out solid particles from the air an Warm and moisten the air, which prevents damage to the delicate tissues that form the Respiratory System.
    ~The moisture in the nose helps to heat and humidify the air, increasing the amount of water vapour the air entering the lungs contains.
    ~It is generally better to take in air through the nose.

    -The larynx:

    ~the larynx also called the voice box, is a tube-shaped organ in the neck region between the pharynx (also called the throat) and the trachea (also called the breathing tube).
    ~ The larynx houses the vocal cords and has a cartilaginous skeleton and intrinsic and extrinsic muscles that help it to carry out its primary functions, which include voice production, control of airflow (breathing) and swallowing.
    ~As air passes by the vocal cords, they open and close rapidly
    ~As resulting in pressure changes that result in the production of sound
    ~Intrinsic muscles in the larynx can produce changes to the position and tension of the vocal cords that alter the pitch of sound.

    -The epiglottis.

    ~The epiglottis is a thin, leaf-shaped structure at the superior border of the voice box (larynx)
    ~In its relaxed position, the epiglottis projects into the throat (pharynx)
    ~Viewed from the posterior direction, it is shaped like a teardrop with a wide, rounded region at the superior end and a narrow tapered point at its inferior end….
    ~The epiglottis also protects the body from choking on food that would normally obstruct the airway.
    ~It acts as a switch between the larynx and the esophagus to permit air to enter the airway to the lungs and food to pass into the gastrointestinal tract.

    http://www.innerbody.com/image_digeov/dige02-new2.html < very good website

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