HEART

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Across
  1. 5. Right verticle pumps blood into the ________
  2. 8. During cardiac cycle, the contraction phase is referred as?
  3. 9. What link myocardial cells together?
  4. 10. Valve that is located between pulmonary artery and right ventricle.
Down
  1. 1. The valve with two cusps.
  2. 2. Heart wall that form 2 network.
  3. 3. Oxygenated blood leaving heart to all part of body through ________
  4. 4. ________ increase as force of ventricular contractions increase.
  5. 6. Node in the conduction system that acts as a pacemaker.
  6. 7. The first deflection on the ECG represents ________ of the atria