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This is one of the mysteries of the human body. No one knows why the celles that develop into the heart in a fetus begin to vibrate and eventually develop into the regualr heart beat, just as no one knows why other cells when put in close proximity to these cells will begin to display the same activity. It just happens is the best we can say at this time.
What else can I help you with?
What causes a low heart rate in unborn babies?
There are many causes to low heart rate in unborn babies. One of the causes could be not enough oxygen to the baby.
What causes the heart to beat faster?
because you run it increases the blood preasure therefore it causes the heart to beat faster
Can you still hear the babies heart beat with an ectopic pregnancy?
No you can not
What causes the heart beat to increase?
moving around, emotion and what not
During pregnancy does your stomach beat faster than your heart rate?
During pregnancy, the beat inside the stomach is typically the baby's heart beat. Babies have faster heartbeats normally than adults.
What is the organ that enables heart beat faster when you exercise?
The nervous system causes the heart to beat faster when you exercise. It itself is not an organ but a system.
What causes the sounds heard through a stethoscope?
Your heart beat of course.
Is it posssible that fetal heart rate is not found in the fifth week of pregnancy?
yess babies heart beat is usually not heard til week 6 because the heart isn't developed enough to beat until then.
What is differenc between the blood pressure and heartbeat?
The heart beat is the beating of the heart. Blood pressure is the amount of pressure the heart beat causes the blood to push against the blood vessels.
When at rest do adults or kids hearts beat faster?
Children. Just to emphasize what type of children; /YOUNG/ children or babies.
What causes your pulse to rise?
Exercising. Whatever always your heart beat go faster.
Can you tell a babies sex from its heart beat?
No. You should be able to tell from seeing the sexual reproductive organs from an ultrasound.
