Across
- 1. any foreign substance or cell in the body that reacts with antibodies
- 4. an elastic characteristic along the outer edge of a liquid caused by the attraction of like molecules
- 6. white blood cells
- 9. similar to salt water in composition; it carries dissolved proteins, such as antibodies hormones, and clotting factors, and nutrients such as glucose, amino acids, salts, and minerals
- 11. can be determined by the mathematical relationship between the width and length of the blood droplets
- 13. donut shaped cells that carry oxygen
- 15. responsible for the red color in blood
- 16. identify the cell; help immune system identify itself and foreign cells
- 17. aid in blood clotting and are involved in repairing damaged blood vessels
- 21. cells that police the body by destroying foreign materials
- 23. platelets
- 24. a two dimensional view of the intersection of lines formed by drawing a line through the main axis of at least two drops of blood that indicates the general area of the source of the blood splatter
Down
- 2. red blood cells
- 3. secretes antibodies; specialized kind of white blood cell
- 5. secondary drop formed when some blood breaks free from the main contact of blood
- 7. specific for human blood
- 8. the force between 2 unlike surfaces, such as blood and the surface of a wall
- 10. protein secreted by white blood cells that attach to antigens
- 12. proteins embedded in the cell membrane
- 14. a force between 2 similar substances
- 18. a test that showed if blood was present, a dark pink color was produced
- 19. stiffening of the joints and muscles of a body a few hours after death, usually lasting from one to four days
- 20. the clumping of molecules or cells caused by an antigen-antibody reaction
- 22. a tissue that circulates through the body