Define the following terms
1. Alveoli
2. Atherosclerosis
3. Atrial fibrillation
4. Botulism
5. Causes of cancer
6. Cholesterol
7. Diastole/systole
8. Direct and indirect disease transmission
9. Disease vectors
10. Gonorrhea
11. Guinea worm
12. Hypertension
13. Lung capacity
14. Lyme disease
15. Metabolic syndrome
16. Metastasis
17. Pneumothorax
18. Probabilities of getting sickle cell anemia
19. Schistosomiasis
20. Swimmers' itch
21. Syphilis
22. Thrombocytopenia
23. Toxoplasmosis
24. Trachoma
25. Zoonoses.