Across
- 2. Blood _____ is determined by the proteins on the red blood cells.
- 5. A Y-shaped molecule that attaches to antigens and marks them for destruction
- 10. The __________ response causes pain, swelling, and heat at the site of an injury in attempts to fight off infection.
- 11. The liquid portion of the blood
- 12. ______ blood cells fight off infection.
- 13. Evidence that implies a fact indirectly.
- 14. A small but measurable amount of evidence
- 16. Evidence that points to a group of people.
- 17. Evidence that points to only one person.
- 19. Red blood cells carry ______ to the cells of the body.
- 20. Nutrients passing through the small intestines of the _______ system get transported by the blood.
Down
- 1. The blood is in a closed body system called the _________ system.
- 3. Evidence that does not come from a living thing
- 4. Evidence that comes from a living (or once living) thing
- 6. The ______ system works closely with the circulatory system to take in oxygen and get rid of carbon dioxide from the body.
- 7. Eyewitness accounts and security camera footage count as ______ evidence.
- 8. Part of the blood that helps with clotting
- 9. The smallest and thinnest blood vessels where diffusion can happen.
- 12. The _______ products from the body cells are transported to organs like the kidneys and liver to be removed from the blood.
- 15. Antibodies in the blood attack an antigen that would not have normally caused harm in the body (mistake).
- 18. The ______ causes the blood to move around the body.