How Does the Heart Beat ... The electrical system of your heart is the power
source that makes this ... The SA node sets the rate and rhythm of your heartbeat.
www.ask.com/youtube?q=What Makes the Heartbeat?&v=PS__T-iA2VI
Nov 11, 2014 ... The cardiac conduction system is a group of specialized cardiac muscle cells in
the walls of the heart that send signals to the heart muscle ...
Your heart beats about 100,000 times a day, and every beat is a symphony. Each
is a perfectly timed, carefully synchronized flow of electric current over a ...
The sound of a heartbeat is caused by the heart valves opening and closing as
they pump blood. When the heart is working properly, blood can only flow in one
Feb 13, 2014 ... We asked our 27000 Instagram followers "what makes your heart beat" and then
made this stunning and heartfelt 90 second film inspired by ...
Sep 16, 2010 ... So what causes that infamous electric shock the heart receives, ... properly, other
parts of the heart start to take over to create the heart beat.
Your heart's electrical system controls the timing of your heartbeat by regulating
your:Heart ... heart enable the electrical signal to control your heartbeat:
Conducting cells carry your heart's. ... Heart Failure: Causes, Symptoms, and
Jan 28, 2016 ... An irregular heartbeat (arrhythmia) is a change in the heart's beating pattern.
There are many different types with different causes and effects.
Jan 14, 2015 ... The heart rate is the number of beats (rhythmic contractions) per minute of the
heart (the muscular organ in the center of the chest that ...
Apr 27, 2010 ... Also, National Geographic makes some excellent videos about fetal .... of cells,
tissues, organs, and even the "first heartbeat" in the womb.