Constipation can be due to mild to moderate conditions, such as a poor diet, pregnancy or hemorrhoids. Serious and life-threatening causes of constipation include colon cancer and bowel obstruction. In some cases, constipation may be brief, such as may occur when you delay having a bowel movement when the urge is felt.
enÂ·doÂ·therm. (Änâ²dÉ-thÃ»rmâ²) n. An organism that generates heat to maintain its body temperature, typically above the temperature of its surroundings. endotherm.
Two examples are lizards basking in the sun to warm up, and fish in a lake moving up and down the water column to find a preferred temperature.. Davison said mammals and birds were endotherms (warm blooded), with a high, constant, core temperature fuelled by internal heat sources.