Which of the blood vessels receives blood directly from the right ventricle?

Intercalated discs are specialized contact points between cardiac muscle cells that join the cell membranes with gap junctions and desmosomes.  Which is not a function of an intercalated disc?

Blood often flows into a capillary bed from

The velocity of the blood flow decreases if

Which of the following does not move substances across capillary walls?

During isovolumetric contraction, the pressure in the ventricles _____________________.

Where is the vasomotor center located?

Blood flows faster in a venule than in a capillary because venules

Electrical signals pass quickly from one cardiomyocyte to another through the _________________ of the intercalated discs.

What is taken up by capillaries at their venous end ?