BIO 109 Midterm Exam

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Across
  1. 2. Pacemaker of the heart
  2. 5. Low-pitched gurgling lung sound
  3. 6. The parasympathetic nervous system increases or decreases heart rate?
  4. 9. A muscle innervated by L3 myotome
  5. 11. A muscle innervated by L4 myotome
  6. 12. Area where right and left optic nerves cross
Down
  1. 1. Wave that represents ventricular repolarization
  2. 3. The medical term for swallowing
  3. 4. Innermost layer of the meninges
  4. 7. The process of exchanging gases in the resp. system
  5. 8. Auscultating to the pulmonic valve is which heart sound?
  6. 10. Medical term for the relaxation phase of the cardiac cycle