Blood Crossword

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Across
  1. 3. The protein in red blood cells that binds oxygen
  2. 5. The liquid portion of blood that carries cells and dissolved substances
  3. 6. Describes blood that does not have the Rh antigen
  4. 10. A cell fragment involved in blood clotting
  5. 12. A blood vessel that carries blood away from the heart
  6. 13. Describes blood that has the Rh antigen present
  7. 15. A marker on a cell that can trigger an immune response
  8. 17. The liquid connective tissue that circulates through the body
  9. 19. A blood group factor that can be positive or negative
  10. 21. The stage of hemostasis where blood forms a stable clot
  11. 23. The movement of substances like oxygen and nutrients in the blood
Down
  1. 1. The process that stops bleeding after a blood vessel is damaged
  2. 2. A blood vessel that carries blood back to the heart
  3. 4. The body’s ability to defend itself against disease
  4. 7. A red blood cell that transports oxygen
  5. 8. A mass of platelets and fibrin that seals a damaged blood vessel
  6. 9. The transfer of blood from one person to another
  7. 11. A tiny blood vessel where exchange of gases and nutrients occurs
  8. 14. The process of maintaining a stable internal environment
  9. 16. The main blood group system based on red blood cell antigens
  10. 18. A white blood cell that helps fight infection
  11. 20. A protein that forms a mesh to strengthen a blood clot
  12. 22. A protein that binds to antigens to help destroy pathogens