The structure of the skeleton

Question 1

5 functions of the skeleton

Answer 1

Support
Movement
Protection
Storage
Red blood cell formation

Question 2

2 types of bone tissue

Answer 2

Compact bone
Cancellous bone

Question 3

Strong bone, good at transmitting force in ONE direction

Answer 3

Compact bone

Question 4

Light and spongey bone, shock absorbing, resists and channels forces that come from MULTIPLE directions

Answer 4

Cancellous bone

Question 5

Red marrow when young

Answer 5

Lots of red marrow in bones, constantly forming red blood cells

Question 6

These bones are found in all long bones as they take weight

Answer 6

Compact bones

Question 7

Red marrow when older

Answer 7

Red marrow starts to change to yellow fatty marrow, less red blood cell production

Question 8

Force comes into ends of these bones at all angles

Answer 8

Cancellous bones

Question 9

List the 4 bone classes

Answer 9

Long bones
Short bones
Flat bones
Irregular bones

Question 10

These bones are longer than they are wide

Answer 10

Long bones

Question 11

This bone class is close to equal width and length

Answer 11

Short bones

Question 12

This bone class acts as levers for movement

Answer 12

Long bones

Question 13

This bone class weight bares from multiple directions

Answer 13

Short bones

Question 14

Which bones are hands and feet mostly made up of and why?

Answer 14

Cancellous bone as they take a lot of weight and require shock absorbing

Question 15

This bone class is mostly flat, but not completely with a thin flat surface

Answer 15

Flat bones

Question 16

This bone class provides large surface area for muscle attachment as well as protects things like scapula, cranium and sternum

Answer 16

Flat bones

Question 17

This bone class has various shapes and functions which often occur at the same time

Answer 17

Irregular bones

Question 18

This bone class often have forimina (holes)

Answer 18

Irregular bones

Question 19

List the divisions of the verterbral column

Answer 19

Cervical - 7
Thoracic - 12
Lumbar - 5
Sacrum and Coccyx

Question 20

Radius rotates over ulna

Answer 20

Pronation

Question 21

Radius and ulna are parallel

Answer 21

Supination

Question 22

How do the limbs attatch to the axial skeleton?

Answer 22

Pectoral girdle and Pelvic girdle

Question 23

What class of bone is a rib?

Answer 23

Flat

Question 24

Why is cancellous bone good at shock absorbing?

Answer 24

Because it has a structure made up of multidirectional struts

Question 25

What is the pectoral girdle?

Answer 25

The bones that connect the upper limb to the axial skeleton

Question 26

Why do biologically male and female pelves have slightly different shapes?

Answer 26

The biologically female pelvis is adapted for child birth