Starter quiz
- In which order does air enter the lungs?
- 1⇔trachea
- 2⇔bronchi
- 3⇔bronchioles
- 4⇔alveoli
Where is the site of gas exchange in humans?- trachea
- bronchi
- bronchioles
- alveoli ✓
- mouth
-
- The heart rate is the number of beats per ...
- 'minute' ✓
The heart pumps ______ around the body.- 'blood' ✓
- Which reactants (fuel) are needed for cellular respiration?
- carbon dioxide
- oxygen ✓
- glucose ✓
- water
-
- Which lifestyle factors are associated with strokes?
- drinking excessive alcohol ✓
- exercising
- eating a balanced diet
- smoking ✓
-
Exit quiz
- The dried leaves of the ______ plant are found in cigarettes.
- 'tobacco' ✓
- Which highly addictive drug is found in cigarettes?
- alcohol
- caffeine
- nicotine ✓
- heroin
-
- What affect does nicotine have on the body?
- increases lung capacity
- raises blood pressure ✓
- raises heart rate ✓
- lowers blood pressure
-
- Which of the organ systems is the most affected by smoking?
- digestive system
- gas exchange system ✓
- skeletal system
-
- The ______ arteries are the blood vessels that supply the heart with blood. They can be blocked by fatty deposits caused by smoking.
- 'coronary' ✓
- Match the disease to its description.
- cancer⇔damage to the DNA causes the cell to uncontrollably divide ✓
- COPD⇔permanent damage to the alveoli ✓
- bronchitis⇔lung infection ✓
- asthma⇔a temporary narrowing of the airways ✓
- heart disease⇔damage to the heart and its blood vessels ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Smoking involves inhaling smoke from burning tobacco leaves.
- Tobacco leaves contain nicotine which is a very addictive substance and it affects the body.
- Smoking affects the gas exchange system.
- Smoking increases the risk of diseases such as asthma, COPD, lung cancer and heart disease.
Common misconception
The heart is heart shaped. The heart gets oxygen and glucose from the blood being pumped out.
Point out the shape of the heart and then reinforce with task B.
Keywords
Smoking - The action of inhaling and exhaling smoke from burning tobacco.
Nicotine - Highly addictive drug found in tobacco leaves.
Tobacco - Dried leaves of the tobacco plant.
Gas exchange - The process of oxygen diffusing from the lungs into the blood, and carbon dioxide diffusing from the blood to the lungs.
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