The skeleton and Joints

Select all the functions of the skeleton:

• support your body

• protect the organs inside the body

• help the body to move

• be strong

Which of the following bones are in your arm?

• humerus

• ulna

• tibia

• fibula

Which of the following bones are in your chest?

• ribs

• carpals

• sternum

• femur

A joint is...

• a place where two bones meet

• a bone in the skeleton

• an organ in a system

What are the main types of joints?

• moveable

• skull

• fixed

• jawbone

If a joint can move in only one direction it is called:

• hinge

• cringe

• fringe

If a joint can move in many directions it is called:

• hinge

• multi movement

• ball and socket

Select all the components of a moveable joint:

• cartilage

• synovial fluid

• synovial membrane

• joint ball

Which of the following helps to lubricate a moveable joint?

• cartilage

• synovial membrane

• synovial fluid

• joint capsule

Why are bones covered with cartilage?

• to make the joint move

• to lubricate the joint

• to fill the space between the bones

• to reduce friction