What organ contains the cardio-accelerator and cardio-inhibitory neurons that assist in the regulation of heart rate? 

An individual has type B, Rh positive blood.  The individual has ___________________ antigens and can produce anti- __________________________ antibodies.

What is taken up by capillaries at their venous end ?

The opening and closing of heart valves is caused by _______________________.

Laminar flow is the normal condition for blood flow throughout most of the circulatory system. It is characterized by concentric layers of blood moving in parallel down the length of a blood vessel.  Which of the following factors has the greatest affect on laminar flow?

When sodium channels are fully open, the membrane of the ventricular cardiomyocyte ________________________.

A person with a systolic blood pressure of 130 mm Hg and a diastolic pressure of 85 mm Hg would have a mean arterial pressure of about MAP = DP + PP/3

Which of the following would decrease the velocity of blood flow?

Which of the following is NOT considered a leukocyte?

The ____________________ provides most of the calcium ions needed for myocardial contraction.