Relacionar Columnas UNIT 1 NATURAL SCIENCE 4 PRIMARIA THE HUMAN BODY .LOCOMOTOR SYSTEMVersión en línea PARTES DEL APARATO LOCOMOTOR por rosi rorobar 1 ligaments connect 2 your muscles contract and relax when 3 your skeleton protect your 4 your skeleton's bones join together 5 Your muscles give your body 6 Tendons connect the bones and joints muscles and bones they receive messages from your brain. internal organs and support your body shape at joins