The rectum is the end part of the large intestine that connects the colon to the anus. It is the area where a person holds stool before excreting it from the body. It is around 12–15cm in length. In ...
Leaf through a textbook, watch a wellness influencer, or listen in at the gym, and it can feel as though the human body has already been mapped to exhaustion. Every muscle named, every nerve traced.