Cardiovascular system

1234567891011121314
Across
  1. 5. I carry blood away from the heart
  2. 9. I am a small artery
  3. 10. I am a double-layered membrane, and I hold the heart in place and help it work properly
  4. 12. I like to record the electrical activity of the heart.
  5. 13. I am responsible for the contraction and relaxation of the heart to pump the blood. I am the muscular one in the heart
  6. 14. I help people to know how many number of heartbeats per minute. You can find me with your fingers by pressing the neck or wrist.
Down
  1. 1. I like to quietly complain that there is improper closure of the heart valves
  2. 2. I am the smallest but carry O2 and nutrients to entire body and exchange CO2 and O2 at the lung
  3. 3. I am at relaxing phase of the heart
  4. 4. I am the opposite of relaxing phase of the heart. I am tense because I am responsible for pumping the blood out.
  5. 6. I am the largest artery in the body
  6. 7. One of the chambers receives oxygen-deficient blood, the other chamber receives oxygenated blood from the lung
  7. 8. I control the contraction and relaxation of the blood vessels, located in Innermost lining.
  8. 10. I am a machine to help the heart to beat at a normal rate and rhythm
  9. 11. I am the inner lining of the heart. I keep the blood flowing through the heart