Skeletal System

Front

What is the ulna?

Back

The ulna is one of the two long bones in the forearm, located on the opposite side of the thumb. It is involved in forming the elbow joint and is larger at the elbow end.

Front

What is the trapezoid bone?

Back

The trapezoid is one of the carpal bones in the wrist, located between the trapezium and the capitate. It is shaped like a trapezoid and plays a role in wrist movement.

Front

What is the humerus?

Back

The humerus is the long bone of the upper arm, extending from the shoulder to the elbow. It is the largest bone in the arm and supports the muscles of the arm.

Front

What is the scaphoid bone?

Back

The scaphoid is one of the carpal bones located near the base of the thumb. It is important for wrist movement and is the most commonly fractured carpal bone.

Front

What is the lunate bone?

Back

The lunate is a crescent-shaped carpal bone located in the wrist, between the scaphoid and triquetrum. It is involved in wrist joint movement.

Front

What are carpals?

Back

Carpals are the eight small bones that make up the wrist, allowing for a wide range of motion and flexibility in the hand.

Front

What is the function of the skeletal system?

Back

The skeletal system provides structure, support, and protection for the body's organs, facilitates movement, and produces blood cells.

Front

What is the difference between the radius and ulna?

Back

The radius is located on the thumb side of the forearm, while the ulna is on the opposite side. The radius is shorter and allows for rotation of the wrist.

Front

What is the role of the clavicle?

Back

The clavicle, or collarbone, connects the arm to the body and helps stabilize the shoulder. It also protects underlying blood vessels and nerves.

Front

What is the significance of the humerus in the arm?

Back

The humerus is crucial for arm movement and strength, serving as the attachment point for many muscles.