Name the great vessels of the heart:

Which clause in the U.S. Constitution grants Congress the authority to make laws beyond its enumerated powers?

An increase in preload would result in:

Select all that apply: What factors affect peripheral resistance?

Why do we consider blood vessel diameter to be the most important factor affecting blood pressure.

When your scared (a lion walks in the door)

During ventricular filling:

1. Is the structure on top-left an artery or vein?  2. Is the structure on bottom-right an artery or vein? 

name these branches of the aorta:

Describe the path a red blood cell would take beginning at the inferior vena cava until it reaches the lungs. Include all valves, chambers, and vessels.