Alexander Fleming's Discovery of Penicillin

Difficult words: a) physician, b) lysozyme, c) antiseptics, d) the Nobel Prize, e) staphylococcus, f) pneumonia, g) leucocytes, h) physiology, i) meningitis, j) penicillin.
Can you guess the meaning of the words above? Match them with their definitions (be attentive as there is no deffinition for one of the words above):

1. an enzyme occuring in tears, certain body tissues, destroys bacteria by hydrolyzing polysaccharides in their cell walls;
2. an antibiotic that kills bacteria and is used to treat many types of infections, including pneumonia, gonorrhea and others;
3. the branch of biology that deals with the normal functions of living organisms and their parts;
4. a person qualified to practice medicine;
5. any of six international prizes awarded annually for autstanding work;
6. a white or colourless cell which circulates in the blood and body fluids and is involved in counteracting diseases;
7. a substance that kills germs and harmful bacteria;
8. any Gram-positive bacterium including many pathogenic species;
9. a serious diseas which affects your lungs and makes it difficult for you to breathe.