Skeletal and Integumentary System

Question 1

Function of skeletal system

Answer 1

provide mechanical support and protection for internal organisms

Question 2

Bones of skull

Answer 2

8 cranial bones
14 facial bones
3 ossicles
hyoid bones

Question 3

axial

Answer 3

supports and protects the organs of neck, head and torso

Question 4

appendicular

Answer 4

rest of the body

Question 5

bone function

Answer 5

99% of body calcium in the bone
mechanical support
defence
haematopoiesis

Question 6

compact bone

Answer 6

dense bone
provides support and protection
cells arranged in concentric circles

Question 7

spongy bone

Answer 7

open space
light bone
support shift

Question 8

bone collagen

Answer 8

forms calcifiable matrix of bone
gives bone flexibility
consist of tropocollagen molecule

Question 9

bone metabolism

Answer 9

continue remodelled throughout life
controlled by osteoblast and osteoclasts

Question 10

joints

Answer 10

adajcents bones and cartilage come together to form a collection

Question 11

fibrous joints

Answer 11

connected by fibrous connective tissue
roots of teeth, sutures of skull

Question 12

cartilaginous joints

Answer 12

connected by cartilage, tough but flexible
anterior rib, left hip bone

Question 13

synovial joints

Answer 13

joint cavity separates the adjacent bones, filled with synovial fluid which lubricates the joint
wrist, ankle, neck