21.2. Questions Jaa Sulje Kirjaudu sisään lähettääksesi tämän lomakkeen Bones and muscles Mark the correct statements. a) The radius is a bone located in your arm. b) Bone consists of dead cells. c) The biceps is used to stretch your arm out. d) The biceps is used to bend your arm. e) The spinal cord transmits information. f) The femur is a bone located in your leg. The backbone What is the backbone made of? Hand movement Describe what happens when you: a) bend your arm. b) stretch your arm out. Kirjaudu sisään lähettääksesi tämän lomakkeen
