Question

 What makes a heartbeat?

Answer The heart is a muscle that is controlled by an electrical impulse, which makes it work. The "lub dub" sound you hear is the blood pumping through the parts of the heart at different times.The heart... Read More »
http://www.answerbag.com/q_view/1904183

Top Q&A For: What makes a heartbeat

If you are three weeks pregnant with twins but the doctor saw only one heartbeat on the ultrasound and your hcg was 3045 will the other baby develop a heartbeat eventually?

Answer Three weeks pregnant is a week before you miss a period so it is impossible to know it is twins. If you are three weeks after conception, (5 weeks pregnant)it is still early to see a heart... Read More »
http://wiki.answers.com/Q/If_you_are_three_weeks_pregnant_with_twins_but_the_doctor_saw...

What is a heartbeat?

Heartbeats are expansions and contractions of the heart muscle that feed blood into the circulatory system and ultimately provide the oxygen supply for the entire body. Each heartbeat is controlled... Read More »
http://www.answerbag.com/q_view/1909447

Why do you hear your heartbeat in your ear?

You don't really hear your heartbeat. It's your blood pulsing close to your eardrum.
http://wiki.answers.com/Q/Why_do_you_hear_your_heartbeat_in_your_ear

When does a fetus get a heartbeat?

Around week 5. Week 6 is when you can hear it in a ultrasound.
http://wiki.answers.com/Q/When_does_a_fetus_get_a_heartbeat


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