Across
- 2. Blood is dark red in the ________.
- 5. Muscular middle layer of the heart.
- 6. Small vein.
- 7. The ____ is the beat of the heart as felt through the walls of the arteries.
- 8. Blood is bright red in the _______.
- 9. The ________ artery is the only artery in the body that carried blood deficient in oxygen.
- 11. The _______ arteries supply blood to the head and neck.
- 12. The two lower chambers of the heart.
- 14. These prevent blackflow of blood in the veins and keep the blood moving in one direction.
Down
- 1. The arteries, veins, and capillaries are three types of these.
- 3. All blood vessels are lined with this.
- 4. Medical combining form meaning artery.
- 8. Largest artery in the body.
- 10. Smaller branches of arteries.
- 13. Medical combining form meaning blue.