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