The heart anatomy

123456789
Across
  1. 5. receives oxygen poor blood, then pumps to lungs
  2. 6. right atrium pumps into right ventricle through the
  3. 8. lies in the thorax posterior to the sternum, left of the midline and rest on superior surface of diaphragm.
  4. 9. heart strings, cord like tendons that
Down
  1. 1. project from the walls into the ventricular cavity
  2. 2. superior and inferior vessels returning blood to the heart
  3. 3. inferior chambers that pump blood around the two circuits
  4. 4. receives oxygenated blood from lungs
  5. 7. superior chambers receive blood returning from pulmonary and systemic circuits