Skeletal System

Question 1

Appendicular skeleton

Answer 1

Bones of the limbs and limb girdles that are attached to the axial skeleton.

Question 2

Skeletal system

Answer 2

Muscle composed of cylindrical multinucleate cells with obvious striations; the muscle(s) attached to the body’s skeleton; also called voluntary muscle.

Question 3

Compact bone

Answer 3

Dense and looks smooth and homogenous.

Question 4

Spongy bone

Answer 4

Composed of small needle like pieces of bone and lots of open space.

Question 5

Diaphysis

Answer 5

Elongated shaft of a long bone.

Question 6

Periosteum

Answer 6

Double-layered connective tissue that covers and nourishes the bone.

Question 7

Epiphyses

Answer 7

The end of a long bone.

Question 8

Articulate cartilage

Answer 8

Glassy hyaline cartilage; slippery cartilage that decreases friction at joint surfaces.

Question 9

Epiphyseal plate

Answer 9

A flat plate of hyaline cartilage.

Question 10

Yellow marrow

Answer 10

Fat storage in adults.

Question 11

Red marrow

Answer 11

Produces blood cells found in child bones.

Question 12

Osteocytes

Answer 12

Bone cells.

Question 13

Lacunae

Answer 13

Cavities in the bond that store the osteocytes.

Question 14

Lamellar

Answer 14

A ring in the bone.

Question 15

Osteon

Answer 15

Unit of bone (Haversian system).

Question 16

Osteoblasts

Answer 16

Cell that secretes the matrix for bone formation.

Question 17

Osteoclasts

Answer 17

Bone cells that absorb bone tissue during growth and healing.

Question 18

Joint

Answer 18

A point at which two bones are joined.

Question 19

Axial skeleton

Answer 19

The bones of the skull, vertebral column, thorax, and sternum.