Before you watch the lecture, it is important that you understand some key words. For each definition, choose the correct word below.
1. The scientific study of the way in which the bodies of living organisms work.
2. Another word for great height.
3. A severe and life threatening illness.
4. Something added, especially to make up for a deficiency.
5. An organelle within which oxygen is used to produce ATP, a substance which is essential to all transfer of energy within the body.
6. The medical term for low oxygen levels.
7. To respond physiologically to changes in environmental factors.
8. Of an illness or situation that quickly becomes very severe.
9. A number, amount or situation which can change (in an experiment).
10. A person or thing used as a standard of comparison for checking the results of an experiment.
Congratulations - go on to the next exercise.
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