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the lower chambers of the heart (both left and right) that pump blood into the pulminary and systemic circulatory systems.

Ventricular activity of the heart in the waves of the gragh

amount of blood pumped with each beat of the heart

carries deox blood from the heart to the lungs

specialised cardiac muscles that conduct electrical impulses through the heart and are involved in regulating the heart beat.

device used to measure blood pressure

two main veins that carry blood to the right atrium of the heart (superior and inferior)

an increase of blood flow due to the widening of blood vessels caused by relaxation

pertaining to the lungs

change in diameter of the arteries due to the contraction of the heart

vessel that carries blood towards the heart

represents the recovery of the ventricles

the valve between the right ventricle and right atrium preventing back flow of blood. the right AV valve.

decrease in the diameter of blood vessels leading to the decrease of blood flow to a particlar part of the body

a minute vein continuous with a capillary

the valve at the beginning of the pulmonary artery which prevents backflow of blood in the right ventricle

thin membrane that serves to divide two bodily cavities or tissues (left and right of heart

depolarization of the atria , first wave of an ECG

The veins that return the oxygenated blood from the lungs to the left atrium of the heart.

impulse generating tissue positioned on the wall of the right atrium

the time in which the ventricles contract