I. Vocabulary Practice. Exercise 1. Label the pictures with the words from the box and say what these things are used for.
Exercise 1. Label the pictures with the words from the box and say what these things are used for.
Exercise 2. Match the words in Column A with the correct definition in Column B.
| Column A | Column B |
| 1) extract | a) a natural substance found in food that is an essential part of what humans and animals eat to help them grow and stay healthy. |
| 2) serum | b) a colourless liquid used to kill bacteria / germs. |
| 3) iodine | c) a liquid taken from the blood of an animal and given to people to protect them from disease, poison, etc. |
| 4) antibiotic | d) a substance that has been obtained from smth else using a particular process |
| 5) vitamin | e) it’s a blue-black substance found in sea water, often a part of antiseptic. |
| 6) hydrogen peroxide | f) a substance, for example penicillin, that can destroy or prevent the growth of bacteria and cure infections. |
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