Question

깨끗한 피는 신장의 정맥을 통해서 신장을 빠져나갑니다 The verb 통하다 often occurs with -아/어서 attached. Resulting 통해(서) generally translates as 'through' in its various meanings.-아/어서 can be used as a sentence ending. In such usage, -아/어서 cannot be shortened by dropping -서. To form the polite speech style ending, -요 should be added.Expressions with -아/어서 may communicate ambiguous messages due to overlapped meanings. For example, sometimes the meaning may be interpreted both as a sequence of two actions and as an action performed by the means of another action. In such cases, the context can be used to clarify the meaning.

Accepted Answer

The clean blood exits the kidney through the renal vein

Front	깨끗한 피는 신장의 정맥을 통해서 신장을 빠져나갑니다
Back	The clean blood exits the kidney through the renal vein
Notes	The verb 통하다 often occurs with -아/어서 attached. Resulting 통해(서) generally translates as 'through' in its various meanings. -아/어서 can be used as a sentence ending. In such usage, -아/어서 cannot be shortened by dropping -서. To form the polite speech style ending, -요 should be added. Expressions with -아/어서 may communicate ambiguous messages due to overlapped meanings. For example, sometimes the meaning may be interpreted both as a sequence of two actions and as an action performed by the means of another action. In such cases, the context can be used to clarify the meaning.

아/어서 Meanings 깨끗한 피는 신장의 정맥을 통해서 신장을