Across
- 2. multiply and produce antibodies (chemical weapons)
- 4. produced in bone marrow, stored in thymus gland
- 6. play a role in blood clotting
- 8. process by which red blood cells are made.
- 9. occur when your immune system mistakes harmless cells for harmful invaders
- 10. are similar to red blood cells in that they do not contain a nucleus and are produced in the bone marrow.
- 11. is a pigment found in red blood cells that increases their capacity to carry oxygen
- 13. proteins formed within the blood that reacts with antigens
- 15. red blood cells
- 16. white blood cells
- 17. phagocytic white blood cells formed in lymph nodes or in the blood
- 18. a substance, usually a protein, that stimulates the formation of antibodies
Down
- 1. produce antibodies that provide protection against invading microbes
- 3. establish osmotic pressure that draws water back into capillaries
- 5. the reduction in blood oxygen due to low levels of hemoglobin or poor red blood cell production
- 7. act as ports along cell membranes for nutrients and hormones
- 12. large chemical complexes composed of carbohydrates and protein found on cell membranes
- 14. a blood clot that seals a blood vessel which prevents local tissues from being supplied with oxygen and nutrients.
- 19. a dislodged blood clot that has potential to become lodged in a vital organ