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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

What happens to air as it passes through the nose?

It is warmed, moistened and filtered.

What does hair and mucus in the nose filter out and trap?

Bacteria and other foreign bodies

What is the trachea also known as?

The windpipe

What does the trachea split into?

The left and right bronchus

What are the smaller branches the bronchi split into called?

Bronchioles

What stops the trachea and bronchi from collapsing?

Rings of cartilage

The lungs are lined on the outside by a thin, moist, membrane known as what?

The pleura

Each bronchiole ends in a group of globe shaped structures called what?

Alveoli (singular, an alveolus)

What are the walls of the alveoli made of?

Simple squamous epithelium

Each alveolus is surrounded by what?

Capillaries

The alveoli have a large surface area. This improves the efficiency of what?

Gaseous exchange

What is gaseous exchange?

Gaseous exchange is the process of exchanging oxygen with carbon dioxide

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

What are the 2 types of respiratory muscle?

1. The diaphragm


2. The intercostal muscles

What happens to the diaphragm when it contracts?

It is pulled down

Whey the diaphragm contracts, do we breathe in or out?

We breathe in

What is breathing also known as?

Ventilation

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

What can trigger an asthma attack?

An allergen (such as dust, pollen or animal fur)

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


What is pneumonia?

Inflammation of the lungs

What does COPD stand for?

Chronic Obstructive Pulmonary Disease

What are the 2 main symptoms of COPD?

1. Coughing


2. Breathlessness

What is the cause of emphysema?

Damaged alveoli

What is bronchitis?

An infection of the bronchi

What is the main symptom of Bronchitis?

A hacking cough that brings up mucus

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