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Across
  1. 4. a highly toxic metallic element (Pb) that causes severe health problems and can lead to lead poisoning (also known as plumbism or saturnism)
  2. 6. the process of delivering oxygenated blood to tissues and organs throughout the body
  3. 8. the rhythmic expansion and contraction of an artery that can be felt when the blood is pumped through the artery
  4. 9. the phase of the cardiac cycle when the heart chambers relax and fill with blood
  5. 10. an upper chamber of the heart that receives blood from the body or lungs
  6. 11. the muscular layer of the heart
  7. 13. a series of pressure changes within the heart
  8. 14. the contraction phase of the cardiac cycle, during which the geart muscle pumps blood out of the heart chambers and into the arteries
  9. 15. the system, relating to the heart (cardio) and the blood vessels (vascular), which transports/circulates blood throughout the body to deliver oxygen and nutrients while removing waste
  10. 16. the transmission of electrical impulses or stimuli through nerve tissue or the hwart’s specialized fibers to coordinate a response
  11. 19. a lower chamber of the heart that pumps or contains fluid
  12. 20. a test to record tbe electrical signals in the heart
Down
  1. 1. the force exerted by blood on the walls of the arteries as it circulates throughout the body
  2. 2. the number of times the heart beats within a certain time period, usually a minute
  3. 3. the largest artery in the body
  4. 5. the smallest type of blood vessel in which forms a network that connects the arterioles (small arteries) to venules (small veins)
  5. 7. a painless, noninvasive test that measures and records the heart’s electrical activity
  6. 12. a blood vessel that carries blood away from the heart to the body’s tissues and organs
  7. 17. a discrete, localized mass or swelling in tissue
  8. 18. a blood vessel that carries blood back to the heart from the body’s tissues and organs