Skeletal system

Front

What is the floating rib?

Back

Floating ribs are the last two pairs of ribs (11th and 12th) that do not attach to the sternum or to other ribs. They are considered 'floating' because they are only attached to the vertebrae at the back.

Front

What is the temporal bone?

Back

The temporal bone is a pair of bones located at the sides and base of the skull. It houses structures of the ear and contributes to the formation of the skull.

Front

What type of joint are the elbows, knees, and phalanges examples of?

Back

These are examples of hinge joints, which allow for bending and straightening motions.

Front

What is the body of the sternum?

Back

The body of the sternum is the longest part of the sternum, located between the manubrium and the xiphoid process. It connects to the true ribs.

Front

What type of joint are the hip and shoulder examples of?

Back

The hip and shoulder joints are examples of ball and socket joints, which allow for a wide range of motion in multiple directions.

Front

What is the manubrium?

Back

The manubrium is the upper part of the sternum, connecting with the clavicles and the first pair of ribs.

Front

What are true ribs?

Back

True ribs are the first seven pairs of ribs that attach directly to the sternum via costal cartilage.

Front

What is the xiphoid process?

Back

The xiphoid process is the small, cartilaginous extension at the lower end of the sternum, which can ossify with age.

Front

What is a hinge joint?

Back

A hinge joint is a type of synovial joint that allows movement primarily in one plane, similar to the motion of a door.

Front

What is a ball and socket joint?

Back

A ball and socket joint is a type of synovial joint where a spherical end of one bone fits into a cup-like socket of another, allowing for rotational movement.