The Structure Of The Skeleton

Question 1

5. Functions of the skeleton

Answer 1

1. support
2. movement
3. protection
4. storage
5. red blood cell formation

Question 2

2 types of bone tissue

Answer 2

1. compact bone: dense and strong
2. cancellous (trabecular) bone: light and shock absorbing

Question 3

4 classes of bones

Answer 3

1. long bones
2. short bones
3. flat bones
4. irregular bones

Question 4

2 divisions of the skeleton

Answer 4

1. axial skeleton
2. appendicular skeleton

Question 5

what does the axial skeleton include

Answer 5

1. skull
2. vertebrae column
3. ribcage (ribs and sternum)

Question 6

what are the 4 divisions of the vertebrae column

Answer 6

1. cervical (7 vertebrae)
2. thoracic (12 vertebrae)
3. lumbar (5 vertebrae)
4. sacrum and coccygeal

Question 7

what does the appendicular skeleton include

Answer 7

1. arm - humerus
2. forearm - ulna and radius
3. thigh - femur
4. leg - tibia and fibula
5. hands - carpals 8, metacarpals 5 and phalanges 14
6. feet - tarsals 7, metacarpals 5 and phalanges 14

Question 8

what does the pectoral gridle include

Answer 8

1. clavicle: stabilizing the scapula
2. scapula: free moving and where muscles attach to

Question 9

what does the pelvic gridle include

Answer 9

1. 2 hipbones/ os coxae (includes ilium, pubis and ischium)
2. sacrum