BS: Classification

Question 1

How many named bones are there?

Answer 1

206

Question 2

What are the two groups of divisions?

Answer 2

1. axial

2. appendicular

Question 3

What does the axial skeleton form?

Answer 3

long axis of the body: bones of the skull, vertebral column, and rib cage

Question 4

What is the purpose of the axial skeleton

Answer 4

protection, support, carry other body parts

Question 5

What does the appendicular skeleton consist of?

Answer 5

bones of the upper/lower limbs and the girdles that attach the limbs to the axial skeleton (shoulder bones and hip bones)

Question 6

Bones of the limbs help us move from place to place aka…

Answer 6

locomotion

Question 7

Bone classification of shape: […], […], […], […].

Answer 7

long; short; flat; irregular

Question 8

Long bones: All […] bones except the […] and the […] and […] bones are long bones

Answer 8

limb; patella; wrist; ankle

Question 9

Long bones are not about size but about…

Answer 9

elongation

• think about your finger bones

Question 10

Short bones are roughly […] shaped.

Answer 10

cubed

Question 11

What are examples of short bones?

Answer 11

wrist and ankle

Question 12

What is the special type of short bone?

Answer 12

sesamoid

*shaped like a sesame seed

Question 13

Sesamoid bone forms…

Answer 13

tendons

Question 14

What are the two functions of sesamoid bones?

Answer 14

1. act to alter the direction of the pull of a tendon

2. reduce friction and modify pressure of tendons to reduce abrasion/tearing

Question 15

Flat bones description:

Answer 15

thin, flattened, slightly curved

Question 16

Examples of flat bones:

Answer 16

sternum (breastbone), scapulae (shoulder blades), ribs, and most cranial bones

Question 17

Irregular bones examples:

Answer 17

vertebrae and hip bones