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How Does Your Heart Beat - Cleveland Clinic


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 ...

What causes the sound of a heartbeat? - Heart & Circulatory System ...


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  ...

How the Heart Works - Today I Found Out


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.

Abnormal Heart Rhythms - Healthline


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.

Tachycardia - Fast or Irregular Heart Rate - Causes, Symptoms, Risks


About Tachycardia (Fast Heartbeat) ... Causes. Causes of tachycardia include: Heart-related conditions such as high blood pressure (hypertension); Poor blood  ...

Electrical System of the Heart-Topic Overview - WebMD


Your heart's electrical system controls the timing of your heartbeat by regulating ... Two different types of cells in your heart enable the electrical signal to control your heartbeat: Conducting cells carry your heart's. ... Learn the causes.

Electrical System of the Heart: Healthwise Medical Information on ...


Your heart's electrical system controls the timing of your heartbeat by regulating your: Heart rate, which is ... What makes your heart rate speed up or slow down?

How the heart works - NetDoctor


Jul 5, 2013 ... What makes the heart beat? On average, most people have a heart rate of around 72 beats per minute at rest. This varies according to fitness, ...

What causes the first heartbeat in an embryo? - BabyCenter


Apr 27, 2010 ... Also, National Geographic makes some excellent videos about fetal .... of cells, tissues, organs, and even the "first heartbeat" in the womb.

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What makes your heart beat? | HowStuffWorks


What makes the heart beat? Electricity. But before we can understand what electricity is doing in the body, we first need to understand the parts of the heart and ...

About Your Heart > How Does the Heart Beat? - Cardiology Services


Your heartbeat occurs when the atria and ventricles work together, alternately ... The electrical system of your heart is the power source that makes this possible.

What Makes Your Heart Beat? - Darling Magazine


Feb 13, 2014 ... We asked our 27,000 Instagram followers “what makes your heart beat” and then made this stunning and heartfelt 90 second film inspired by ...