Explain the condition called having blocked bowels.?

Constipation: Another term for severe constipation.

Bowel Obstruction, 1: Small bowel obstructions (sbos) manifest themselves as the acute onset of vomiting, cramping pain, bloating, and absence of passage of gas or stool. They are most often due to adhesions from prior surgery; less commonly, due to hernias or cancer. In the context of prior surgery, non-operative management is often successful, provided that there are no signs of intestinal compromise.

Bowel Obstruction, 2: Large bowel obstructions (lbo) present with similar symptoms as sbos yet have distinct findings on x-ray. They may be due to colorectal ca, twisting ("volvulus"), inflammation (diverticulitis, inflammatory bowel disease). When complete, these require emergency surgery; when incomplete, time may be taken to identify the cause and treat appropriately.