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Week 3. The first organs begin to form. The wonderful heart cells

After 3 weeks, the heart is a group of tiny and lethargic muscle cells, but in 22 days it comes to life. A cell spontaneously contracts, conditions the adjoining cells and starts a chain reaction until all the cells in the heart begin to beat. Isn’t this amazing? These cells are programmed to control the heartbeat until the baby’s brain takes over in the coming weeks. For now, the heart will distribute the food and oxygen for the embryo to grow. The future baby’s heart already beats and does so with an average of 150 beats per minute. Almost twice as much as an adult! Anyway, you would not be able to hear the heartbeats until approximately the 12th week and then to do so you will need a medical auscultation device, a special equipment or your first echography to check it. Only after week 27 people may listen to it while relied on your abdomen.

 

 

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