所有生物都有必需的生命迹象，MRS GREN是七个生物必须运动的简称 分别是：
M Movement All living things move,even plants.
R Respiration. Getting energy from food.
S Sensitivity. Detecting changes in the surroundings.
G Growth. All living things grow.
R Reproduction Making living things of the same type.
E Excretion Getting rid of waste.
N Nutrition. Taking in and use food.
M Movement All living things move,even plants.
R Respiration. Getting energy from food.
S Sensitivity. Detecting changes in the surroundings.
G Growth. All living things grow.
R Reproduction Making living things of the same type.
E Excretion Getting rid of waste.
N Nutrition. Taking in and use food.
原句解释：Living things have certain life processes in common, there are 7 things they need to do to count as being alive.MRS GREN is a funny way to remember them.
by Eilladia Leomong April 21, 2014
Get the mrs gren mug.Using the power granted to us by Gandalf the White to harvest the true power of Mountain Dew and Doritos.
by Flip Janson September 7, 2014
Get the Gren Senneling mug.A fren of all and #2 of the bois in the select variety, a fren gren will hand you dyslexia medication if you need it because thats what friends are for.
by quinnthebigemo July 23, 2019
Get the Fren Gren mug.by gaming legend420 January 17, 2023
Get the gren what you doing gren mug.by Vervaarlijk Volk March 6, 2018
Get the grens mug.by Mew Mew Caow June 18, 2011
Get the Sarry and Gren mug.This is the moment when Roblox tags the word green But only the first green and so instead of saying green you have to say gren
by Froggyeatfly May 26, 2022
Get the Gren tea with green mug.