animal science

123456789101112
Across
  1. 3. Neck/spine
  2. 6. Bone near the front breast area
  3. 8. muscle that contracts the heart
  4. 10. carries blood from the head neck arms and chest
  5. 12. your body does it automatically
Down
  1. 1. upper and lower extremities
  2. 2. central core unit
  3. 4. you must tell you body to do it
  4. 5. collect oxygen-rich blood from your lungs and carry it to your heart.
  5. 7. lower part back leg
  6. 9. separates the ventricles and allows for proper blood flow through the heart
  7. 11. carries blood from the heart to the circulatory system.