upper left chamber of the heart
LEFT ATRIUM
Technical name for contraction of the heart.
SYSTOLE
Blood vessel that carries blood from the heart to any part of the body.
ARTERIES
two lower chambers inside the heart
VENTRICLES
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CARDIAC CYCLE
one of the minute blood vessels between the terminations of the arteries and the beginnings of the veins.
CAPILLARIES
Structures that control the direction in which blood flows through the heart.
VALVES
Regular beat or throbbing of the arteries, that can be felt with the fingers at the wrist and neck.
PULSE
Tubes forming part of the blood circulation system of the body, carrying blood towards the heart.
VEINS
Wall separating the right and left sides of the heart.
SEPTUM
Right atrioventricular valve, that controls the flow of blood from right atrium to right ventricle.
TRICUSPID VALVE
Blood vessels that carry oxygenated blood from the lungs to the left atria of the heart.
PULMONARY VEINS