duplicator that transmits the copy by wire or radio

duplicator that transmits the copy by wire or radio

duplicator that transmits the copy by wire or radio

duplicator that transmits the copy by wire or radio

duplicator that transmits the copy by wire or radio

duplicator that transmits the copy by wire or radio

duplicator that transmits the copy by wire or radio

a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract

a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract

the audible part of a transmitted signal