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The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.
The two superior receiving chambers of the heart are known as the _________
he valves between the atria and ventricles are known as the ________ valves.
Blood leaves the right ventricle through the ___________.
superior vena cava
The term that means heart contraction is ________.
The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ________
Large blood vessels that carry blood away from the heart are called:
Tunica _______, the middle layer of a typical blood vessel, contains smooth muscle and elastic fibers.
9. Arteries are normally depicted as red while veins are colored blue. The exceptions to this rule are the _______ arteries and veins.
Pulmonary circulation involves blood flow to and from the heart and the _______.