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