This is the 812th most frequent Polish word.
organizmu
"Organizmu" is the genitive singular form of "organizm," meaning "of the organism" in English.
In this sentence, 'organizmu' refers to the entire human body as a living organism.
Dbanie o zdrowie organizmu jest bardzo istotne.
Taking care of the body's health is very important.
Here, 'organizmu' indicates the human body's need for recovery and renewal processes.
Po wysiłku fizycznym organizm potrzebuje czasu na regenerację.
After physical exertion, the body needs time to recover.
In this case, 'organizmu' signifies the human body in the context of its physiological function.