Bill Nye - Bones and Muscles

Front

What are fixed joints in the body?

Back

Fixed joints are joints that do not move.

Front

Who has a skeleton?

Back

Every person has a skeleton.

Front

What are bones made up of?

Back

Bones are made up of the periosteum, the compact bone, and the cancellous or spongy bone.

Front

Which has more bones in the neck: a sparrow or a giraffe?

Back

A sparrow's neck has more bones than the neck of a giraffe.

Front

What type of joints are found in all your fingers?

Back

The joints in all your fingers are hinge joints.

Front

What is the function of bones in the body?

Back

Bones provide structure, protect organs, anchor muscles, and store calcium.

Front

What is the difference between spongy bone and compact bone?

Back

Spongy bone is lighter and has a porous structure, while compact bone is denser and provides strength.

Front

What is the role of the periosteum?

Back

The periosteum is a dense layer of vascular connective tissue that covers the bones.

Front

What are the three main types of joints in the human body?

Back

The three main types of joints are fixed joints, hinge joints, and ball-and-socket joints.

Front

How do muscles and bones work together?

Back

Muscles pull on bones to create movement.