Skeletal System

Front

What is the main function of the skeletal system?

Back

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

Front

How many bones are in a child's body?

Back

A child's body has approximately 270 bones, which fuse to form 206 bones in adulthood.

Front

What are the two main types of bone tissue?

Back

The two main types of bone tissue are compact bone and spongy bone.

Front

What is a hinge joint?

Back

A hinge joint allows movement in one direction, like the opening and closing of a door. Examples include the elbow and knee.

Front

What is a ball and socket joint?

Back

A ball and socket joint allows for rotational movement in multiple directions. Examples include the shoulder and hip joints.

Front

What is the periosteum?

Back

The periosteum is a dense layer of vascular connective tissue that covers the bones, providing nourishment and serving as an attachment for tendons and ligaments.

Front

What is the role of osteoblasts?

Back

Osteoblasts are cells that synthesize new bone tissue and are involved in the process of bone formation.

Front

What is the difference between compact bone and spongy bone?

Back

Compact bone is dense and forms the outer layer of bones, while spongy bone is lighter, has a porous structure, and is found inside bones.

Front

What is the function of cartilage in the skeletal system?

Back

Cartilage provides cushioning at joints, reduces friction, and allows for smooth movement between bones.

Front

What is the axial skeleton?

Back

The axial skeleton consists of the bones of the skull, vertebral column, and rib cage, providing support and protection for the brain, spinal cord, and thoracic organs.