Across
- 3. substance used in chemical reaction
- 4. caused by or involving disease
- 7. special protein to speed up chemical reaction
- 9. relating to metabolism
- 10. immune response against a person's own tissues or cells
- 11. chemical substance produced in an endocrine gland
- 12. how compact or concentrated something is
Down
- 1. deficiency of hemoglobin in the bloodj
- 2. machine that rotates at high speed to separate substances
- 5. slender tube for transferring or measuring small amounts of liquid
- 6. old or aging cell
- 8. most abundant plasma protein
- 9. small tube to hold samples for lab tests that detect color changes