Mod 10 Flashcards
arterioles.
Smaller branches of arteries
Venules
smaller branches of veins.
The heart has four chambers
the right and left atrium and the right and left ventricle.
aorta
largest artery in the body
capillary
he smallest vessel; materials pass to and from the bloodstream through the thin capillary walls.
coronary arteries
the blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle.
diastole
he relaxation phase of the heartbeat
systole
the contraction phase of the heartbeat
endocardium
the inner lining of the heart
pericardium
the sac-like membrane surrounding the heart
myocardium
the muscle layer of the heart
septum
a partition between the right and left sides of the heart
valve
a structure in veins or the heart that opens and closes so that blood will flow in only one direction
vena cava
the largest vein in the body
arrhythmias
abnormal heart rhythms
flutter
a rapid but regular contraction of atria or ventricles
fibrillation
random, irregular, and very rapid contractions of the heart
congenital heart diseases
abnormalities in the heart at birth
congestive heart failure
when the heart is unable to pump it’s required amount of blood
pulmonary edema
when blood accumulates in the lungs
coronary artery disease
disease of the arteries surrounding the heart
hypertensive heart disease
when high blood pressure is affecting the heart.
murmur
an extra heart sound that is heard between normal beats.
pericarditis
inflammation of the membrane surrounding the heart
