This is the 9962nd most frequent Swedish word.
hjärnorna
"The brains" (plural form).
Here, 'hjärnorna' is used as the plural form of 'hjärnan,' referring to the brains belonging to individuals.
Hjärnorna hos människor är mycket anpassningsbara.
The brains of humans are very adaptable.
In this sentence, 'hjärnorna' is employed to denote multiple brains that are being examined for scientific purposes.
Vetenskapsmännen studerar hjärnorna från olika arter.
The scientists are studying the brains from various species.
Finally, 'hjärnorna' illustrates the possessive context, linked to 'barnens' (the children's), indicating the neurological development specific to these individual children.