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