A huge scientific achievement... Tiny hearts made in the lab beat "just like the real thing"!

A team of scientists has revealed an exciting scientific experiment in which they created tiny hearts in the lab measuring just 2mm in size, which could revolutionize the field of human-made artificial organs.

"When I saw it for the first time, I was amazed that these chambers could form on their own," Sasha Minghan, a researcher at the Austrian Academy of Sciences, told Science. "The amazing thing is that you see right away if the experiment worked and that the organ is functional, because it's pulsing, Unlike the other members.

According to the "Daily Star", stem cell scientists have spent years trying to build organs that mimic the rhythms of the human body. These tiny hearts, which spent more than 3 months in the lab and took a week to copy the structure of a 25-day-old fetus, could be a groundbreaking step forward in science.

It included all types of cells expected in hearts with just over three weeks of development, such as primary cardiomyocytes, epithelial cells, fibroblasts, and epicardium.

Small hearts also have self-defined chambers that can beat 60 to 100 times per minute, which is the normal rate for a heart at this early stage of development.

Dr. Mangan, chief biologist, explained that the development will provide scientists with new levels of detail in examining the development of the heart and the causes of heart problems in children.

"You can't fully understand something until you recreate it," he said. "Now, we have a clean, controlled system outside the human body to easily study this process."

The news comes on the heels of last year's impressive creation of organoids from the beating heart in lab dishes using stem cells.

The small heart, MSU, was only 1 mm in diameter, and began beating after only 6 days.

In turn, ethical questions have been raised about the rapid development of organelles, which some say are living entities.

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