英语翻译1.Cells cannot remain alive outside certain limits of te

英语翻译
1.Cells cannot remain alive outside certain limits of temperature ,and much narrower limits mark the boundaries of effective functioning .Some biological systems of mammals and birds are most efficient only within a narrow range around 37c; a departure fo a few degrees from this value seriously impairs their functionings.
2.Even though cells can survive wider fluctuations,the integrated actions of bodily systems are impaired.Other animals have a wilder tolerance for change of bodily temperature.