Breakdown of Rezerva krvi ima jedinice krvi.
Questions & Answers about Rezerva krvi ima jedinice krvi.
Because krvi is the genitive singular form of krv (blood).
In Serbian, when one noun describes another noun in an of relationship, the second noun often goes into the genitive:
- rezerva krvi = reserve of blood / blood reserve
So krv is the dictionary form, but krvi is the form required by the grammar here.
For the same reason: it shows an of relationship.
- jedinice krvi = units of blood
So in this sentence, krvi appears twice because it belongs to two different noun phrases:
- rezerva krvi = blood reserve
- jedinice krvi = units of blood
This repetition may feel a little heavy in English, but grammatically it is normal Serbian.