Human Transport Crossword

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Across
  1. 5. Device used to measure pulse
  2. 8. Chamber of the heart with the thickest walls
  3. 9. Blood vessels responsible for delivering oxygen to body tissues on a cellular level
  4. 11. White blood cell with a lobed nucleus
  5. 12. Fragments of cells that assist in blood clotting
  6. 13. A pair of valves consisting of three cusps that prevents the flow of blood back into the heart
  7. 14. The atrioventricular valves found at the right side of the heart
  8. 15. White blood cell with a large, round nucleus
  9. 16. Stage of the cardiac cycle when heart muscles relax
Down
  1. 1. Small veins that branch out from capillaries
  2. 2. Stage of a heart beat when heart muscles contract
  3. 3. Blood vessel carrying oxygenated blood away from the heart
  4. 4. Circulation where blood passes through the heart twice in one circuit
  5. 6. Cells in the blood that transport oxygen
  6. 7. A small branch of an artery leading into capillaries
  7. 10. The expansion and contraction of the artery caused by the ejection of blood from the left side of the heart
  8. 11. Blood vessel that transports oxygenated blood to the heart