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