Welcome to your Skeletal System Name Email match them to their meaning bone marrow contract and relax vertebrae tendon Backbones that surround and protect the spinal cord The spongy material inside your large bones like those in your legs and hips, in which other cells are made Muscles get shorter by contracting and return to their original length when they relax A strong cord-like tissue which connects muscles to bones Match the bones to what they protect ribcage pelvis skull vertebrae brain sensitive reproductive organs spinal cord heart fill in the gap Muscles can only contract and This means for skeletal muscles, they can only pull on bones. They cannot push them back. This would mean that if your joints were moved by one muscle, then you would be able to move them once and not return them to their original position. We can move our joints backwards and because our skeletal muscles come in , called muscle Fill in the gap To pull the shin backwards (before the ball is kicked), the hamstrings and the quadriceps . To move the shin forwards (when the ball is kicked), the quadriceps and the hamstrings To raise the forearm, the biceps and the triceps . To lower the forearm, the triceps and the biceps . Time's upYou cannot switch tabs while taking this quiz!You are not allowed to switch tabs violation has been recorded.you cannot minimize full screen mode!You are not allowed to minimize full screen while taking this quiz, violation has been recorded.Access denied! To begin the quiz, please grant this quiz access to your camera.Time is Up!
