Serce
Serce, the Polish term for the heart, is the muscular organ that pumps blood through the circulatory system. In humans and most vertebrates, it is located in the chest between the lungs and protected by the rib cage. The heart contains four chambers: two atria and two ventricles; valves between chambers and vessels maintain unidirectional blood flow.
Blood returns to the heart through the atria, moves into the ventricles, and is pumped to the
An adult heart weighs about 250–300 grams and is roughly the size of a clenched fist. It
The Polish word serce derives from Proto-Slavic roots and is cognate with similar terms in other Slavic