Bones and Joints

Which of the following is not a job of the skeletal system?

• To give the body support.

• To allow the body to move.

• To make your body hard.

• To protect major organs.

A ball-and socket joint can be found in the ________.

• thumb
• shoulder
• elbow
• knee

The number of bones in the human body is ________. 

• about 500
• fewer than 50
• about 200
• about 100

The largest bone in the human body is the ______, which is found in the leg. 

• femur
• skull
• pelvis
• rib

Which group of bones help us stand straight and tall? 

• backbone/spine
• skull
• phalanages
• ribs

A joint that allows movement only back and forth in one direction is called a _______.

• gliding joint
• hinge joint
• pivot joint
• ball-and-socket joint

What do your bones protect?

• organs
• skin
• muscles
• feelings

What bones protect your heart and lungs?

• hips

• skull

• ribs

• femur

What are the three jobs of your bones?

• movement, structure, joints
• movement, structure, protection
• structure, digestion and breathing
• movement, digestion and breathing

What do we call the place where two or more bones meet?

• head
• cranium
• joints
• feet