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The atrioventricular valve that is located on the side of the heart that receives the superior vena cava is the
Permitting exchange of nutrients and gases between the blood and tissue cells is the primary function of ____________.
A heart rate is substantially slower then normal ( less than 60 beats per minute) is called
Capillaries of the active muscles will be engaged with blood
What is likely to happen during vigorous exercise?
The source of blood carried to capillaries in the myocardium (heart muscle) would be the ____________
Path of blood flow within the systemic vascular system
Arteries, arterioles, capillary beds, venules, veins
170/96 in a 50-year-old man
Blood pressure that reading would be indicative of hypertension ( high blood pressure)
both the aorta and pulmonary trunk
Blood ejected from the ventricles enters which vessel during ventricular systole
Which of the following is NOT part of the conduction system of the heart
-bundle of his
left ventricle to the left atrium
When the ventricles contact, the bicuspid (mitral) valves prevent blood from flowing from the:
lub-dup sound of the heart
The first sound is longer and louder and is caused by the closer of the AV valves; the second sound is shorter and sharper and is caused by closure of the semilunar valves
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