MRS GREN

To remember the overall meaning of MRS GREN, use the following mnemonic:

My Mrs threw grenades (MRS GREN) at any living thing.

Using this mnemonic will help remind you of the spelling which is necessary to recall the seven essential processes of a living thing (organism). Those are movement, respiration, sensitivity, growth, reproduction, excretion and nutrition.

M        Movement

R         Respiration

S         Sensitivity

G         Growth

R         Reproduction

E         Excretion

N         Nutrition

MRS GREN is used to recall the seven vital activities to be an organism.