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.
Endothermic reactions absorb energy from the environment, while exothermic reactions release energy to the environment. Distinguish between endothermic and exothermic reactions. 1  All chemical reactions involve the transfer of energy.  Endothermic processes require an input of energy to proceed and are signified by a positive change in enthalpy.