The bones of the body are called the ______ system.

• digestive

• respiratory

• circulatory

• skeletal

There are ___ bones in the human body.

• 244

• 206

• 602

• 100

The soft, inside part of the bone is called the ________________.

• marrow

• ligament

• tendon

• joint

Which is NOT a job of the bones?

• make a frame for the body

• protect body parts

• help you breathe

• help move the body

Which organ do the ribs protect ?

• brain

• lungs

• kidney

• stomach

Another name for the spine is the __________.

• backbone

• patella

• scapula

• windpipe

The backbone protects the ____________

• brain

• lungs

• spinal cord

• large intestines

Your skull protects your_______________

• small intestines

• lungs

• heart

• brain

A place where bones come together is called a ______________.

• cartilage

• muscle

• joint

• knuckle

Examples of hinge joints are

• knees and ankles

• knees and shoulders

• elbowa and wrists

• elbows and knees