Which of the following is NOT found in the pelvic viscera?

The heart is indeed the correct answer in this context because it is located in the thoracic cavity, not in the pelvic viscera. The pelvic viscera typically include structures found within the pelvis, such as the end of the large intestine (the rectum), the bladder, and the internal reproductive organs (such as the uterus and ovaries in females, or the prostate in males). Each of these structures plays crucial roles in their respective systems, fulfilling functions necessary for digestion, urination, and reproduction.

In contrast, the heart is a vital organ responsible for circulating blood throughout the body and is situated above the diaphragm, away from the pelvic region. Understanding the anatomical organization of the body and the specific locations of its organs is key in fields like medicine and physiology.