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28 Cards in this Set
- Front
- Back
What are the different parts of the respiratory system? |
1. The nose 2. The trachea, bronchi and bronchioles 3. The lungs and alveoli 4. The respiratory muscles |
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What happens to air as it passes through the nose? |
It is warmed, moistened and filtered. |
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What does hair and mucus in the nose filter out and trap? |
Bacteria and other foreign bodies |
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What is the trachea also known as? |
The windpipe |
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What does the trachea split into? |
The left and right bronchus |
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What are the smaller branches the bronchi split into called? |
Bronchioles |
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What stops the trachea and bronchi from collapsing? |
Rings of cartilage |
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The lungs are lined on the outside by a thin, moist, membrane known as what? |
The pleura |
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Each bronchiole ends in a group of globe shaped structures called what? |
Alveoli (singular, an alveolus) |
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What are the walls of the alveoli made of? |
Simple squamous epithelium |
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Each alveolus is surrounded by what? |
Capillaries |
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The alveoli have a large surface area. This improves the efficiency of what? |
Gaseous exchange |
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What is gaseous exchange? |
Gaseous exchange is the process of exchanging oxygen with carbon dioxide |
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What are the effects of smoking on the body? |
1. Increased respiratory infections 2. Increased chance of pneumonia, bronchitis and emphysema 3. Vasoconstriction 4. Decreased efficiency of the blood to carry oxygen 5. Increased risk of lung cancer 6. Increased risk of cancer in other parts of the respiratory system such as the larynx, mouth and nose 7. Exacerbation of asthma 8. Increased risk of cardiovascular disease |
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What are the 2 types of respiratory muscle? |
1. The diaphragm 2. The intercostal muscles |
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What happens to the diaphragm when it contracts? |
It is pulled down |
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Whey the diaphragm contracts, do we breathe in or out? |
We breathe in |
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What is breathing also known as? |
Ventilation |
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What is ventilation? |
Ventilation is the movement of air in and out of the chest to replenish the oxygen supply and remove carbon dioxide and water |
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What can trigger an asthma attack? |
An allergen (such as dust, pollen or animal fur) |
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What happens during an asthma attack? |
1. The trachea and bronchioles contract and narrow 2. The mucus inside the respiratory tract becomes thick 3. The linings of the airways swell |
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What is pneumonia? |
Inflammation of the lungs |
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What does COPD stand for? |
Chronic Obstructive Pulmonary Disease |
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What are the 2 main symptoms of COPD? |
1. Coughing 2. Breathlessness |
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What is the cause of emphysema? |
Damaged alveoli |
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What is bronchitis? |
An infection of the bronchi |
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What is the main symptom of Bronchitis? |
A hacking cough that brings up mucus |
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What are the symptoms of lung cancer? |
1. A persistent cough 2. Coughing up blood 3. Persistent breathlessness 4. Unexplained tiredness and weight loss 5. An ache or pain when breathing or coughing |