Skeletal systemOnline version Answer the following questions: by Paola Fernanda Espinosa 1 How many bones does an adult have? a 300 bones b 250 bones c 205 bones d 206 bones 2 What is the name for the bones in the spinal cord? a clavicle b femur c vertebrate d stirrup 3 Which bone protects the brain? a rib cage b skull c kneecap d phalanges 4 What is the longest and strongest bone in your body? a radius b hummerus c femur d skull 5 What part of the bone produce new blood cells? a spongy bone b compact bone c bone marrow d blood vassals