SOC 12:

Question 1

What are the 5 functions of the skeletal system?

Answer 1

Protection of organs

Muscle attachments

Joints for movement

Strong calcium and phosphorus

Red and white blood cell production

Question 2

The 5 sections of the vertebrae

Answer 2

Cervical ( first 7 bones )

Thoracic ( next 12 bones )

Lumbar ( next 5 bones )

Sacrum ( next 5 fused bones )

Coccyx ( final 4 fused bones )

Question 3

Long bones

Answer 3

Longer than they are wide

Small bones like finger bones are still long bones

Used to generate movement ( leavers )

Examples are: ulna, radius, femur, tibia, fibula and humerus

Question 4

Short bones

Answer 4

Used for weight bearing

Only short bones are carpals in the wrist and tarsals in the foot

Question 5

Irregular bones

Answer 5

Used for protection and muscle attachment

Example is the vertebrae protecting the spinal cord

Question 6

Flat bones

Answer 6

Used for protection and muscle attachment

Protect organs and the flat surface allows muscles to attach onto it

The ribs protect the heart

Examples are: sternum, patella, pelvis, cranium and clavicle

Question 7

Humerus

Answer 7

Upper arm

Question 8

Radius

Answer 8

Outside of your lower arm

Question 9

Ulna

Answer 9

Inside of your lower arm

Question 10

Tibia

Answer 10

Central bone in your lower leg ( shin )

Question 11

Fibula

Answer 11

Outside of your tibia or lower leg

Question 12

Femur

Answer 12

Upper leg ( largest bone in body )

Question 13

Carpals

Answer 13

Around the wrist

Question 14

Tarsals

Answer 14

Back side of your foot

Question 15

Sternum

Answer 15

Centre of the chest

Question 16

Clavicle

Answer 16

Inwards of the shoulders