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The cardiac conduction system includes the followings in sequence:       _______  → _______ → _____  →  right and left branches → _______

The venous blood from GI tract flows into liver through ____________.  

Which of the below factors would INCREASE stroke volume (SV)?

________  = EDV – ESV    (EDV: end diastolic volume; ESV: end systolic volume)

_________ are substances that delay or prevent blood clotting.

Select the INCORRECT information regarding the blood.

The cardiac muscle can also produce some ATP from creatine phosphate using enzyme creatine kinase (CK).  When disruption of muscle cell membranes due to hypoxia (or other injury) will releases CK from the cell into the blood stream. On this basis, elevated blood CK have been used as a sensitive but nonspecific test for heart tissue damage like __________.

At a heart rate of 60 beats/minute, a cardiac cycle lasts ________________

Regarding cardiac muscle, which of the following statements is correct?

Baroreceptors detect changes in _________ and influence the cardiovascular center.