Starter quiz
- Put the parts of the gas exchange system in order to show the flow of air out of the lungs.
- 1⇔alveoli
- 2⇔bronchioes
- 3⇔bronchi
- 4⇔trachea
- 5⇔nose/mouth
- Match up the key term to the definition.
- non-infectious disease⇔a disease that cannot be passed from one organism to another. ✓
- pathogen⇔a micro-organism that causes disease. ✓
- infectious disease⇔a disease caused by a pathogen that can be passed between organisms. ✓
- risk⇔something that increases the chance of something harmful happening. ✓
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