10.7 Crossword Puzzle Challenge Part 1

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Across
  1. 2. The _________ arteries supply blood to the head and neck. Axillary, brachial (brachi/o means arm), splenic and renal arteries are examples of branching arteries from the aorta.
  2. 5. The four chambers of the heart are separated by partitions called ________.
  3. 9. Two lower chambers called ______.
  4. 11. The arteries continue dividing and subdividing within the lungs, forming smaller and smaller vessels (arterioles) and finally reaching the ______________.
  5. 12. Their walls are lined with connective tissue, muscle tissue, and elastic fibers, with an innermost layer of epithelial cells
  6. 14. Large blood vessels that carry blood away from the heart.
  7. 15. Smaller branches of arteries
  8. 16. The heart is a pump consisting of four chambers: two upper chambers called _____.
  9. 17. Have thinner walls compared with arteries. They conduct blood (that has given up most of its oxygen) toward the heart from the tissues.
Down
  1. 1. The circulation of blood through the vessels from the heart to the lungs and then back to the heart again is the pulmonary circulation.
  2. 3. Blood that is deficient in oxygen flows through two large veins, the _______, on its way from the tissue capillaries to the heart. The blood became oxygen-poor at the tissue capillaries when oxygen left the blood and entered the body cells.
  3. 4. Have walls that are only one endothelial cell in thickness. These delicate, microscopic vessels carry nutrient-rich, oxygenated blood from the arteries and arterioles to the body cells.
  4. 6. While passing through the lung (pulmonary) capillaries, blood absorbs the oxygen that entered the body during inhalation. The newly oxygenated blood next returns immediately to the heart through ______________.
  5. 7. The venae cavae bring oxygen-poor blood that has passed through all of the body to the _________.
  6. 8. Waste-filled blood then flows back to the heart in small _____, which combine to form larger vessels called veins.
  7. 10. The _______ drains blood from the upper portion of the body.
  8. 13. The _______ carries blood from the lower part of the body.