Across
- 3. a substance made from beet and apple pectin that aided blood clotting
- 4. the process by which a blood clot is formed
- 5. a scientific procedure to test a hypothesis
- 7. the action of making a person resistant to a disease by exposing them to the disease
- 8. a belief and practice to improve human living
Down
- 1. the process of making something clean; to prevent the production of offspring
- 2. the condition of a dangerously low body temperature
- 6. a physician nicknamed the "Angel of Death"