Cardiovascular System: Blood Vessels & Circulation

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Across
  1. 1. Swelling caused by excess fluid trapped in body tissues.
  2. 6. Sounds heard while measuring blood force with a stethoscope and cuff.
  3. 9. The force exerted by blood against vessel walls.
  4. 10. A vessel that returns blood to the heart.
  5. 11. Involuntary and self-regulating, often referring to control of internal functions like heart rate and digestion.
  6. 12. A major vessel that supplies blood to the brain, neck, and face.
  7. 13. The middle layer of a blood vessel composed mostly of smooth muscle, allowing for constriction and dilation.
  8. 14. A major vessel that carries blood from the head back toward the heart.
  9. 16. The higher measurement of blood force during heart contraction.
  10. 17. Structures that prevent the backflow of blood, especially in veins.
Down
  1. 2. Containing a low level of oxygen.
  2. 3. A vessel that carries blood away from the heart.
  3. 4. Containing a high level of oxygen.
  4. 5. The outer layer of a blood vessel that provides structural support and protection.
  5. 7. A wave pattern on an electrocardiogram representing ventricular contraction.
  6. 8. The innermost layer of a blood vessel that provides a smooth surface for blood flow.
  7. 12. A tiny vessel where the exchange of gases, nutrients, and waste occurs between blood and tissues.
  8. 15. The lower measurement of blood force when the heart is at rest between beats.