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Item #: SCP-????

Object Class: Euclid

Special Containment Procedures:

Description: SCP-???? is a human female, 22 years of age. SCP-????'s thoracic and abdominal cavities are empty, save for the subject's heart and blood vessels. The anterior abdominal wall is also absent, exposing most of SCP-????'s interior to the elements. Evidence suggests that these changes were made surgically in a manner indicative of substantial expertise.

SCP-????'s heart is engorged to about four times its normal size and is located in the center of the abdominal cavity. It beats between 250-270 times per minute while SCP-???? is at rest and up to 350 times per minute when SCP-???? is active or agitated. The blood vessels follow an unorthodox pattern that contains a number of elaborate knots and braids before returning to a normal pattern when entering other parts of the body.

SCP-???? is immune to physical harm and disease as long as its heart function is undisturbed. Attempts to damage SCP-???? via piercing, crushing, heat, etc. have proven completely ineffective. The subject does not require (and, moreover, lacks the facilities to consume) air or sustenance of any sort, and various infectious agents have had no discernible effect on the subject.

In contrast, SCP-????'s heart is abnormally susceptible to damage. While it does not suffer ill effects from prolonged exposure to air or its sustained high levels of activity, any substantial physical disturbance has the potential to induce arrhythmia that subsides only after several hours.