Across
- 2. Liver to body
- 3. Body to kidney
- 6. From small intestine to the liver
- 10. Lungs to heart
- 11. Thick muscular wall to withstand high pressure
Down
- 1. Heart to body
- 2. Heart to liver
- 4. Thin wall, one cell thick to speed up diffusion
- 5. Body to heart
- 7. Heart to lungs
- 8. Kidney to body
- 9. Has valves to control the flow of blood