32.1: The Skeletal System

Question 1

axial skeleton

Answer 1

the skeleton that supports the central axis of the body; consists of the skull, vertebral column, and the rib cage

Question 2

appendicular skeleton

Answer 2

the bones of the arms and legs along with the bones of the pelvis and shoulder area

Question 3

Haversian canal

Answer 3

one of a network of tubes running through compact bone that contains blood vessels and nerves

Question 4

bone marrow

Answer 4

soft tissue found in bone cavities

Question 5

cartilage

Answer 5

type of connective tissue that supports the body and is softer and more flexible than bone

Question 6

ossification

Answer 6

process of bone formation during which cartilage is replaced by bone

Question 7

osteoblast

Answer 7

bone cell that secretes mineral deposits that replace the cartilage in developing bones

Question 8

osteocyte

Answer 8

bone cell that helps maintain the minerals in bone tissue and continue to strengthen the growing bone

Question 9

osteoclast

Answer 9

bone cell that breaks down bone minerals

Question 10

joint

Answer 10

place where one bone attaches to another bone

Question 11

ligament

Answer 11

tough connective tissue that holds bones together in a joint