Across
- 2. has a thinner tunica media and operate under a low-pressure
- 3. middle layer mostly cardiac muscle
- 6. inner layer known as endothelium
- 10. when precapillary sphincters are closed blood passes through the ______
Down
- 1. the word for blood flow through a capillary bed
- 4. has thicker tunica media to withstand pressure changes
- 5. capillary networks are called capillary _____
- 7. only one cell layer thick
- 8. outer, visceral pericardium, connective tissue layer
- 9. guard the entrance to the capillary beds
