A&P final exam puzzle 4

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Across
  1. 2. bean-shaped filters that cluster along the lymphatic vessels of the body; cleanser of lymph
  2. 5. valve between the right atrium and right ventricle
  3. 10. universal blood recipient
  4. 11. blood vessels that carry blood back to the heart
  5. 12. valve between the left atrium and the left ventricle; bicuspid valve
  6. 14. a ball of capillaries in the nephron; site of filtration in the kidney
  7. 15. nerve endings that act as receptors for the sense of smell
Down
  1. 1. high blood pressure; 170/90
  2. 3. a type of white blood cell that engulf microbes by phagocytosis
  3. 4. relaxation of the heart
  4. 6. muscular, middle layer of the heart
  5. 7. contraction of the heart at work
  6. 8. liquid part of blood
  7. 9. oxygen carrying protein in red blood cells
  8. 13. protective layer of tissue that surrounds each lung