Soc 12 The Skeletal System

Question 1

5 functions of the skeletal system

Answer 1

Protect of vital organs, muscle attachment, joints for movement, stroing calcium and phosphurus, red and white blood cells production

Question 2

What are the bones in the spine (5)

Answer 2

Thoracic (12), lumbar (5), cervical (7), sacram (5) and coccyx (4)

Question 3

What are the bones in the legs (7)

Answer 3

Tibia, fibula, femur, patella, tarsels, metataresels and phalanges

Question 4

What the the bones in the arm (6)

Answer 4

Humerous, radius, ulna, carpels, metacarpels and phalanges

Question 5

What are the bones in the torso (4)

Answer 5

Rib cage, pelvis, clvicle, sternum

Question 6

Long bones

Answer 6

Are longer than they are wide. Dont have to be bug

Question 7

Short bones

Answer 7

Generally sane size length, width and thickness

Question 8

Flat bones

Answer 8

usually protect organs or offer a good surface for muscles to attach to

Question 9

Irregular bones

Answer 9

Have odd shapes and vary in function

Question 10

Types of joints

Answer 10

Ball and socket, hinge, pivot and condyloid joint

Question 11

Pivot joints

Answer 11

Allow bones to rotate in wrist, elbow and neck

Question 12

Hinge joint

Answer 12

Only allow backward and forward motion in knee, elbow and ankle

Question 13

Ball and socket joint

Answer 13

Rounded head of long bome that fits into a cup-shapedhole. Both hip and shoulder joints are ball and socket

Question 14

Condyloid joint

Answer 14

Similar to ball and socket but ball rests against the end of the bone allowing circular motion