"Blood Vessels and Veins": HTML5 Crossword

Across

9. One of the two largest veins of the body; this one is below the heart (8,4,4)
12. The longest blood vessel in the body; located in the medial lower limb and a piece will be extracted and used during coronary bypass surgery (5,9,4)
17. Vein located on the anterior elbow; a superficial vein where blood is commonly drawn from (6,7)
19. A vein whose name does not make sense since the word means "head," but this vein is in the upper limb (8)
20. Veins that carry blood from the liver to the inferior vena cava (7)

Down

1. Small blood vessels carrying blood away from the heart (10)
2. One of the two largest veins of the body; this one is above the heart (8,4,4)
3. Vein located on the posterior of the knee (9)
4. Carries nutrient-rich blood from the intestine to the liver (7,6,4)
5. Internal and external veins that carry blood from the head towards the heart (7)
6. Veins located below the clavicle (10)
7. Superior and inferior veins that carry blood from the intestine (10)
8. The liver helps maintain _______ in the blood by stabilizing nutrient levels in the blood as blood carries nutrients from the digestive tract (thank you liver!) (11)
10. Small blood vessels carrying blood toward the heart (7)
11. Veins that carry blood from the diaphragm (7)
13. Common, internal, and external veins in the pelvic region (5)
14. Largest blood vessels carrying blood away from the heart (8)
15. Smallest blood vessels of the body; where oxygen and nutrients are exchanged with the body tissues (11)
16. Largest blood vessels carrying blood toward the heart (5)
18. Veins that carry blood from the kidneys (5)