Which organs are found within the pelvic cavity?

The pelvic cavity is a specific anatomical region that primarily contains structures related to the reproductive and digestive systems. Among the choices provided, the rectum and reproductive organs are indeed located within the pelvic cavity.

The rectum serves as the final section of the large intestine and is housed within this region, while the reproductive organs, including the uterus, ovaries, and seminal vesicles, are also situated in the pelvic cavity. This area is crucial for various functions, including the processes of digestion, elimination, and reproduction.

In contrast, the other choices feature organs that are not located within the pelvic cavity. The lungs and heart are found within the thoracic cavity, crucial for respiration and circulation. The stomach and intestines, while related to digestion, are primarily located in the abdominal cavity rather than the pelvic cavity. Lastly, the kidneys are situated in the retroperitoneal space, which is behind the abdominal cavity. The bladder, on the other hand, is indeed part of the pelvic cavity, but it is paired with kidneys in the incorrect choice, making it less appropriate for this question.