trans-
across
-graphy
process of recording
ven/i
vein
small, thin-walled blood vessels with semipermeable membranes that allow for gas exchange
capillaries
the upper chambers of the heart that receive blood from the body’s veins
atria
echo-
reflected sound
-tension
pressure
ventricul/o
ventricle
the lowest part of the exterior of the heart
apex
a fibroserous sac that encloses the heart
pericardium
em-
in
-stenosis
tightening, narrowing
pulmon/o
lung
the largest artery of the human body
aorta
List the three layers of the heart
Epicardium, myocardium endocardium
dia-
through, complete
-sclerosis
hardening, thickening
ather/o
plaque, fatty build up
The ______________________________ ventricle pumps blood into the lungs, and the ______________________________ ventricle pumps blood to the rest of the body.
right, left
the movement of blood from the heart to the lungs and back again
pulmonary circulation
Contraction of the ventricles is called ______________________________, and relaxation of the ventricles is called ______________________________.
systole, diastole
The ______________________________ vena cava receives blood from the head, chest, and upper extremities; the ______________________________ vena cava receives blood from the abdominopelvic organs and the lower extremities.
superior, inferior
systol/o
contraction
the structures responsible for electric current conduction in the heart
nodal system
helps reduce excess water in the body
diuretic