TY - BOOK AU - BARNES,Kate AU - Steve Weston TI - How It Works : : The Human Body SN - 0-899762-02-7 U1 - 611. PY - 2002/// CY - London PB - Horus Editions KW - 0 KW - Grade 7-9 N2 - Descibing us Through each sistem in the body, how it functions and how the systems work together. ER -