What is this?
skeleton
What is this?
bone
What is this?
skull
What are these?
ribs
What is this?
spine
What are these?
biceps
What are these?
triceps
What are these?
thigh muscles
What are these?
calf muscles
How do you call a part of your body where the bones meet?
joints
What is this?
Pelvis
How do you call an animal with a backbone (spine)?
Vertebrate
How do you call an animal without a backbone (spine)?
invertebrate
True or False: all the bones of a skeleton grow the same amount.
False. Some bones grow bigger, some smaller.
What organ does skull protect?
Brain
What are lungs and heart protected by?
Rib cage
