Joints and Skeletons

The bones of your skeleton are alive.

• True

• False

Which bones protect your heart, lungs, and liver?

• skull

• ribs

• tibia

• femur

The main function of the body joints is________

• protection

• movement

About how many bones are we born with?

• 100

• 200

• 300

• 400

About how many bones does the adult skeletal system have?

• 100

• 200

• 300

• 400

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

• protects

• supports

• digest

Choose 2 examples of a ball and socket joint.

• elbow

• hips

• shoulder

• wrist

How many muscles do humans have?

• 600

• 610

• 620

• 630

What type of muscles move when we want them to?

• voluntary muscles

• involuntary muscles

What type of muscles move without us realizing it?

• voluntary muscles

• involuntary muscles