Bones of the Skeleton

Front

What is the clavicle?

Back

The clavicle, also known as the collarbone, is a long bone that serves as a strut between the shoulder blade and the sternum. It helps stabilize the shoulder and is one of the most commonly fractured bones.

Front

What is the humerus?

Back

The humerus is the long bone in the upper arm that runs from the shoulder to the elbow. It is the largest bone in the arm and plays a crucial role in arm movement.

Front

What is the ulna?

Back

The ulna is one of the two long bones in the forearm, located on the side opposite the thumb. It is longer than the radius and forms the elbow joint with the humerus.

Front

What are lumbar vertebrae?

Back

Lumbar vertebrae are the five vertebrae in the lower back, labeled L1 to L5. They are larger and stronger than the thoracic vertebrae and support the weight of the upper body.

Front

What is the femur?

Back

The femur, or thigh bone, is the longest and strongest bone in the human body. It connects the hip to the knee and is essential for walking, running, and jumping.

Front

What is the function of the skeleton?

Back

The skeleton provides structure and support to the body, protects vital organs, facilitates movement by serving as attachment points for muscles, and produces blood cells in the bone marrow.

Front

What is the difference between the axial and appendicular skeleton?

Back

The axial skeleton consists of the skull, vertebral column, and rib cage, providing central support. The appendicular skeleton includes the limbs and girdles, facilitating movement.

Front

What is the role of the radius?

Back

The radius is one of the two bones in the forearm, located on the same side as the thumb. It allows for the rotation of the wrist and is involved in the movement of the forearm.

Front

What are carpal bones?

Back

Carpal bones are the eight small bones that make up the wrist. They allow for a wide range of motion in the wrist and hand.

Front

What is the pelvis?

Back

The pelvis is a bony structure located at the base of the spine, consisting of the hip bones, sacrum, and coccyx. It supports the weight of the upper body and protects pelvic organs.