Science - skeletal system - vocab

Question 1

Periosteum

Answer 1

A tough, tight-fitting membrane that covers the bone’s surface.

Question 2

Bone Marrow

Answer 2

Produces blood cells.

Question 3

Cartilage

Answer 3

Rubbery layer of tissue found at the ends of bones where they form joints.

Question 4

Joint

Answer 4

Any place where two bones come together.

Question 5

Ligament

Answer 5

Tough band of tissue that holds bones in place.

Question 6

Immovable joint

Answer 6

Joint that allow no movement like the skull.

Question 7

Pivot joint

Answer 7

A bone that rotates around another bone that is stationary.

Question 8

Ball and socket joint

Answer 8

Rounded end of one bone fits in cup like cavity of another bone.

Question 9

Hinge joint

Answer 9

Allows for back and forth movement.

Question 10

Gliding joint

Answer 10

One bone slides over another bone.

Question 11

Osteoarthritis

Answer 11

Cartilage breaks down because of years use.

Question 12

Osteoporosis

Answer 12

A disease when bones become weak and the risk of fractures (break) increases.

Question 13

Scoliosis

Answer 13

Curvature of the spine.