Smoking and Lung Disease
Smoking damages the lungs and heart, increasing the risk of cancer, emphysema and bronchitis.
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Smoking damages the lungs and heart, increasing the risk of cancer, emphysema and bronchitis.
- Tar causes cancer
- Nicotine is addictive
- Carbon monoxide reduces oxygen in the blood
🧠 Quick quiz
Three questions. Score 2 or more to complete the topic.
What is Smoking and Lung Disease?
Within Biology, which covers cells, the human body, genetics, evolution, plants and ecosystems: the science of living things, this topic explains Smoking and Lung Disease. Biology topics show how living things work, from the cell up to whole ecosystems, with models you can explore step by step.
Check that you can explain Smoking and Lung Disease in your own words and give one example from everyday life. If you can do that, you have understood the core idea.
Understanding Smoking and Lung Disease helps you explain how living things stay alive and respond to their surroundings, which is central to biology exams.
Smoking and Lung Disease in detail
Tobacco smoke contains nicotine, which is addictive, tar, which contains carcinogens that cause cancer, carbon monoxide, which reduces oxygen carriage by binding to haemoglobin, and irritants that damage the airways.
Smoking damages the cilia and causes chronic bronchitis and emphysema, in which alveoli walls break down, reducing surface area and making breathing difficult, and lung cancer. It also raises the risk of heart disease and harms unborn babies. Smokers' risks fall substantially after quitting. Evidence from large studies links smoking to disease.
How the interactive helps you understand Smoking and Lung Disease
Watch the bar chart in the interactive. Use any sliders or buttons it offers to change the values and see how the bar chart responds.
Before you change anything, predict the result. Then change one value at a time and check whether your prediction was right. This is a quick way to build a correct mental model of Smoking and Lung Disease.
Real-life uses and examples
- Explain how Smoking and Lung Disease helps a living thing stay alive, using a plant or animal example.
- Connect Smoking and Lung Disease to health, food and medicine in everyday life.
- Use Smoking and Lung Disease to interpret a diagram, graph or microscope image from a practical.
Common mistakes to avoid
- Using everyday words, such as “energy” or “bad”, without their scientific meaning.
- Listing the steps of a process without saying how one step causes the next.
- Learning the definition without testing it. Use the quiz and the interactive to check that you can apply the idea.
Frequently asked questions about Smoking and Lung Disease
What is Smoking and Lung Disease?
Smoking damages the lungs and heart, increasing the risk of cancer, emphysema and bronchitis.
What are the most important points about Smoking and Lung Disease?
The main points are: Tar causes cancer; Nicotine is addictive; Carbon monoxide reduces oxygen in the blood.
Why is Smoking and Lung Disease useful?
Understanding Smoking and Lung Disease helps you explain how living things stay alive and respond to their surroundings, which is central to biology exams.
How can I practise Smoking and Lung Disease?
Open the interactive at the top of this page and change the controls one at a time. Predict the result before each change, then take the three-question quiz. A score of two or more marks the topic as complete on this device.
Which topics are related to Smoking and Lung Disease?
Related topics in Biology include Blood Vessels, Pathogens and Infectious Disease, Antibiotics and Resistance.