Skeletal System

Question 1

axial skeleton

Answer 1

one of the two divisions of the
human skeleton; includes the bones of the vetebral column,
ribs, skull, and sternum

Question 2

appendicular skeleton

Answer 2

one of the two divisions of
the human skeleton; includes the bones of the arms, legs,
feet, hands, hips, and shoulders

Question 3

compact bone

Answer 3

strong, dense outer bone layer that contains Haversian systems

Question 4

osteocyte

Answer 4

living bone cell

Question 5

spongy bone

Answer 5

less dense inner-bone layer with many cavities that contain bone marrow

Question 6

red bone marrow

Answer 6

type of marrow that produces red and white blood cells and platelets

Question 7

yellow bone marrow

Answer 7

type of marrow that consists
of stored fat

Question 8

osteoblast

Answer 8

bone-forming cell

Question 9

ossification

Answer 9

formation of bone from osteoblasts

Question 10

osteoclast

Answer 10

cell that breaks down bone cells

Question 11

ligament

Answer 11

tough connective tissue band that attaches
bones to each other.

Question 12

how many bones are in the adult human skeleton?

Answer 12

206

Question 13

what do ligaments connect

Answer 13

bone to bone

Question 14

what do tendons connect

Answer 14

bone to muscle

Question 15

how do bones maintain homeostasis

Answer 15

store and release calcium

Question 16

bone structures

Answer 16

compact bone, spongy bone, red bone marrow, yellow bone marrow

Question 17

functions of skeletal system

Answer 17

1. support
2. protection
3. formation of red & white blood cells and platelets
4. reservoir for calcium and phosphorus
5. movement

Question 18

skeletal joints

Answer 18

1. ball and socket
2. pivot
3. hinge
4. gliding
5. sutures