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m Levels of Structural Organization (1) lootor system (運(yùn)動系統(tǒng) ) (2) alimentary system (消化系統(tǒng) ) (3) respiratory system (呼吸系統(tǒng) ) (4) urinary system (泌尿系統(tǒng) ) (5) genital system (生殖系統(tǒng) ) (6) endocrine system (內(nèi)分泌系統(tǒng) ) (7) circulatory system(angiology)(脈管系統(tǒng) ) (8) nervous system (神經(jīng)系統(tǒng) ) (9) sense ans (感官 ) splanchnology (內(nèi)臟學(xué)) There are nine systems in the human body: