It really is lubb dupp and it is the sound of the 4 valves closing, two at a time. This occurs during one heart beat.
A heartbeat is considered the "lub dub" sound made by the two sets of valves. To count heart beats, count each set of two sounds as one beat.
Count how many times your heart beats....for one minute. Or count for 15 seconds and multiply by 4.
1000
Pulse rate.
only one heart is ever in a baby, beating or not beating.. Oh wait did you mean how many beats per minute does a baby's heart beat? if that's the question the answer is SEARCH BEFORE YOU ASK
Contractions,or beats .
Heart rhythm
The heart muscle. This muscle beats every second on electrical impulse keeping it on a steady pace. In one day the heart beats 100,000 times on average. In one year it beats about 36.5 million times. In one lifetime, the heart beats over 2.5 billion times, being the bodies busiest organ.
Count how many times your heart beats....for one minute. Or count for 15 seconds and multiply by 4.
How many times your heart beats in one minute
1000
A persons heart beats at least 500 times per minute.
90 to 100. Got it from Ripley's Believe It or Not.The human heart beats between 60-100 beats per minute
The heart acts as a pump. When the heart beats, it pumps the blood in one direction.
Because one part beats to pump blood to the lungs and the other beats to pump blood to the rest of your body. They are really one heart with two sections.
it is very easy 40-45 beats a min! it is one of the most easy quesion i have ever heard!
Pulse rate.
your heart beats one time a second