The CCC Daily Crossword

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Across
  1. 4. Superior chambers of the heart that receive blood from the body or lungs
  2. 6. If blood pressure drops, the kidneys release the enzyme renin, leading to ____activation (abbreviation)
  3. 10. Primarily carry oxygenated blood to the heart
  4. 11. Provides a smooth lining for chambers of the heart and heart valves
  5. 13. Cardiac output depends on ____volume and heart rate
  6. 15. Heart failure most often affects the function of the ___ventricle
  7. 17. Natriuretic peptides (NPs) ANP, BNP, CNP ____blood pressure
  8. 18. Sac that encases the heart, with a fibrous outer layer and a double-layered inner serous layer
  9. 19. Relaxation phase of atria and ventricles during cardiac cycle
  10. 20. Transports blood between heart and body:____circulation
Down
  1. 1. Primarily return deoxygenated blood to the heart
  2. 2. Muscular layer of the heart responsible for its pumping action
  3. 3. Thin-walled ____ assist in exchange of substances between blood and tissues
  4. 5. Contains blood vessels, lymphatics, and vessels that supply blood to the myocardium
  5. 7. Contraction phase of atria and ventricles during cardiac cycle
  6. 8. Anatomical features of the heart that ensure blood flows in the correct direction
  7. 9. Transports blood between heart and lungs:_____circulation
  8. 11. Percentage of blood within the ventricles that is emptied during systole; important in classifying patients with HF
  9. 12. Cardiac output is the volume of blood ejected from the ___each minute
  10. 14. For patients with heart failure, each hospitalization increases the risk of this
  11. 16. The incidence of heart failure doubles in men and triples in women with each __-year age increase from 65 to 85 years