Skeletal system

Question 0

Bones

Answer 0

Protect organs. Resting ground for muscles

•leverage & support

206 bones - 177 used in voluntary movement

Question 1

Skeletal System

Answer 1

Body’s frame work.
Composed of bones & joints

Divided in to:
Axial skeleton
Appendicular skeleton

Question 2

Joints

Answer 2

Junctions of bones, muscles, & connective tissues at which movement occurs.

“Articulation”

More than 300 joints

Question 3

Axial skeleton

Answer 3

Consists of skull, rib cage, vertebral column

• torso & upper head
• 80 bones

Question 4

Appendicular skeleton

Answer 4

Includes upper and lower extremities.
Think: arms/legs/appendage

126 bones

Question 5

Remodeling

Answer 5

Process of resorption and formation of bone.

Follows lines of stress placed on bone

Question 6

Osteoclasts

Answer 6

During resorption, old bone tissue is broken down and removed by bone cells called osteoclasts

Question 7

Osteoblasts

Answer 7

During bone formation, new bone tissue replaces the old. Called osteoblasts

“Blast” - “building” bone