2.3 Health of Human Respiratory System Flashcards
What causes emphysema?
Cigarette smoke, exposure to chemicals, and dust.
What are the effects of emphysema?
Damaged alveolar walls, reduced surface area, less efficient gas exchange.
What is a symptom of emphysema?
Difficulty breathing.
What causes bronchitis?
Infection by viruses or bacteria.
What is the effect of bronchitis?
Inflamed bronchial tubes with abundant mucus production.
What are symptoms of bronchitis?
Persistent cough, difficulty breathing, chest pain, sore throat.
What causes lung cancer?
Cigarette smoke, exposure to asbestos, and carcinogens.
What are the effects of lung cancer?
Uncontrolled cell division, spreading to organs like the liver and bones.
What are symptoms of lung cancer?
Persistent cough, difficulty breathing, coughing blood.
What causes asthma?
Allergens such as dust and pollen.
What is the effect of asthma?
Inflammation, swelling, and narrowing of the bronchial tubes.
What are symptoms of asthma?
Cough and difficulty breathing.
What does sulfur dioxide do to the respiratory system?
Irritates the throat and damages lung tissue.
What does nitrogen dioxide cause?
Throat irritation and difficulty breathing.
How does dust affect the respiratory system?
Settles in alveoli and airways, causing breathing difficulty.
How does carbon monoxide harm the body?
Competes with oxygen for hemoglobin, reducing oxygen in blood.
What do bacteria and viruses cause?
Colds, coughs, and pneumonia.
Why is asbestos dangerous?
It is a carcinogen that causes lung cancer.
How does pollen affect asthma sufferers?
Triggers asthma attacks.
What is harmful in cigarette smoke?
Tar, a carcinogen that can cause lung cancer.
