1. the five solid principal internal organs in the trunk of the body

a. 심장 (心臟, simjang, “heart”)

b. 간장 (肝臟, ganjang, “liver”)

c. 비장 (脾臟, bijang, “spleen”)

d. 폐장 (肺臟, pyejang, “lungs”)

e. 신장 (腎臟, sinjang, “kidneys”)