circulatory system
where do veins and venules take blood
to the heart
which primary chambers contract during the dub noise?
atria
where does the bundle of His carry the signal to?
purkinje fibers
which of the following refers to the resistance of vessels?
arterioles
which blood does cardiac veins carry?
deoxygenated
what does the P wave of an electrocardiogram represent?
atrial depolarization
which of the following accepts deoxygenated blood returning from the body?
right atrium
which of the following have the highest blood pressure?
arteries
what is the most muscular chamber of the heart?
left ventricle
which feedback mechanism does the blood clotting cascade use?
positive
which part of the heart recieves oxygen-rich blood from the coronary arteries?
myocardium
what does a three chambered heaet consist of?
one ventricle, two atria