What is this?
skeleton
What are these?
calf muscles
What are these?
biceps
What are these?
triceps
What is this?
spine
What is this?
patella
What are these?
thigh muscles
What are these?
shin muscles
What is this?
clavicle
What is this?
femur
What is this?
bone
What is this?
skull
What is this?
humerus
What are these?
rib cage