Al-Marsad Newspaper: A video clip documented how the heart beats to pump blood to the body’s organs.
The video showed the heart divided into 4 chambers, consisting of the right atrium and the left atrium, which are the upper chambers of the heart, and the right ventricle and left ventricle are the lower chambers.
The video also showed a muscular wall called the septum separating the right and left sides of the heart.
The video shows the heart muscle contracting in two phases to expel blood from the heart, this is known as systole. In the first stage, the upper chambers (the atria) contract at the same time, forcing blood down into the lower chambers (the ventricles).
2023-08-03 22:02:37
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