Across
- 2. infectious agents that cause disease
- 4. substances other than food that change the structure or function of the body or mind
- 6. destroy disease causing microorganisms, kill harmful bacteria, or prevent its reproduction
- 7. extracts of blood fluids contain antibodies and act more quickly than vaccines
- 8. introduced into the body to simulate an immune response
- 9. drugs used to treat or prevent problems
Down
- 1. substances whose fumes are sniffed and inhaled to achieve a mind altering effect
- 3. increases male characteristics
- 5. suppress the virus but do not kill it
- 6. pain relievers like aspirin, morphine, codeine
- 7. refers to muscle building