This is the 18620th most frequent Korean word.
신경계
"Nervous system."
The term '신경계' refers to the nervous system in the context of biological and anatomical science, indicating the network of neurons within organisms.
인간의 신경계는 매우 복잡하고 정교하다.
The human nervous system is very complex and sophisticated.
Here, '신경계' is used to discuss medical conditions affecting the nervous system, emphasizing its role in health and disease.
신경계 질환은 적절한 치료가 요구된다.
Nervous system disorders require appropriate treatment.
In this sentence, '신경계' is used as an educational topic, highlighting its importance in scientific curriculum and general knowledge.