Terms in this set (26)
Membrane surrounding the heart
inner lining of the heart
upper chamber of the heart
lower chamber of the heart
Divides the right and left chambers of the heart
the mechanism that causes these valves to close is increasing intraventricula pressure.
pulmonary and aortic valves located between the right ventricle and the pulmonary artery and between the left ventricle and the aorta
A blood vessel that carries blood away from the heart
A blood vessel that carries blood back to the heart.
A tiny blood vessel where substances are exchanged between the blood and the body cells.
carries blood to the lungs for gas exchange and returns it to the heart
Circuit of blood that carries blood between the heart and the rest of the body.
A complete heartbeat consisting of contraction and relaxation of both atria and both ventricles
Contraction of the heart
Relaxation of the heart
A measure of cardiac activity usually expressed as the number of beats per minute.
Beat of the heart as felt through the walls of the arteries.
the pressure that is exerted by the blood against the walls of blood vessels
an inadequate blood supply to an organ or part of the body, especially the heart muscles.
chaotic, irregular contractions of the heart, as in atrial or ventricular fibrillation
rapid heart rate
abnormally slow heartbeat
complete stopping of heart activity
high blood pressure
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