CH 11 CARDIO REVIEW Flashcards
valve that lies between the right atrium and the right ventricle
tricuspid valve
smallest blood vessel
capillary
carries oxygenated blood from the lungs to the heart
pulmonary vein
largest artery in the body
aorta
brings oxygen-poor blood to the lungs from the heart
pulmonary artery
upper chamber of the heart
atrium- two
carries oxygen-poor blood to the lungs from the heart
pulmonary artery
small artery
aerteriole
valve that lies between the left atrium and the left ventricle
mitral valve
brings blood from the lower half of the body to the heart
inferior vena cava
small vein
venule
lower chamber of the heart
ventricle- two
the pacemaker of the heart
sinoatrial node
the sac-like membrane surrounding the heart
pericardium
the wall of the heart between the right and left atria
septum
the relaxation phase of the heartbeat
diastole
specialized conductive tissue in the wall between the ventricles
atrioventrivular bundle
inner lining of the heart
endocardium
the contractive phase of the heartbeat
systole
a gas released as a metabolic product of catabolism
co2 carbon dioxide
specialized conductive tissue at the base of the wall between two upper heart chambers
atrioventrivular node
the inner lining of the pericardium, closely enveloping the heart
visceral pericardium
an abnormal heart sound due to improper closure of the heart valves
murmur
the beat of the heart as felt through the walls of arteries is called
pulse