Human Body Systems Vocab Bio 20

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Across
  1. 4. When the inner walls of the Arteries bulge
  2. 5. A white blood cell that eats substances by using its membrane and engulfing the substance
  3. 6. A blood clot that seals off a blood vessel
  4. 8. A substance that forms an antibody
  5. 10. General white blood cells that eat foreign substances through phagocytosis
  6. 13. Nerve A nerve that is a part of the nervous system that controls the body back to normal
  7. 14. A pacemaker for the heart in the upper right atrium
  8. 15. Is when the SA signals to slow down the heart rate
  9. 16. System A system that runs parallel to the circulatory system and picks up excess fluids
Down
  1. 1. Carry Blood away from the heart
  2. 2. Factor An antigen that shows whether or not a blood type is positive or negative
  3. 3. A test that records the electrical activity of the heart
  4. 7. Carries blood toward the heart
  5. 9. Output The amount of blood that flows through each side of the heart per minute
  6. 11. When blood types mix and sticks together in clumps
  7. 12. When blood vessels dilate, for example blushing