Skeletal System Part 1

Question 1

COMPONENTS OF THE SKELETAL SYSTEM

Answer 1

• Bones
• Cartilages
• Tendons
• Ligaments

Question 2

TWO SUBDIVISIONS OF THE SKELETON

Answer 2

• Axial Skeleton
• Appendicular Skeleton

Question 3

What are the functions of the Skeletal System?

Answer 3

1) Support
2) Movement
3) Protection
4) Blood cell formation
5) Storage
• Minerals
• Triglyceride storage

Question 4

The skeleton has _ bones

Answer 4

206 bones

Question 5

Two Basic Types of Bone Tissue

Answer 5

1) Compact Bone
2) Spongy Bone

Question 6

• Dense and looks smooth
• Homogeneous

Answer 6

Compact Bone

Question 7

• Small needle-like pieces of bone
• Many open spaces

Answer 7

Spongy Bones

Question 8

Shape Classification of Bones

Answer 8

1) Long Bone
2) Short Bone
3) Flat Bone
4) Irregular Bone

Question 9

• Thin, flattened, and usually curved
• Two thin layers of compact bone surround a layer of spongy bone

Answer 9

Flat bones

Question 10

Examples of Flat Bones

Answer 10

• Skull
• Ribs
• Sternum

Question 11

• Irregular shape
• Do not fit into other bone classification categories

Answer 11

Irregular bones

Question 12

Examples of Irregular bones

Answer 12

• Vertebrae
• Hip bones

Question 13

• Typically longer than they are wide
• Shaft with heads situated at both ends
• Contain mostly compact bone
• All of the bones of the limbs (except wrist, ankle, and kneecap bones)

Answer 13

Long bones

Question 14

Examples of Long bones

Answer 14

• Femur
• Humerus

Question 15

• Generally cube-shaped
• Contain mostly spongy bone
• Includes bones of the wrist and ankle
• Sesamoid bones are a type of short bone which form within tendons (patella)

Answer 15

Short bones

Question 16

Examples of Short bones

Answer 16

• Carpals
• Tarsals

Question 17

Cylinder-like shape, longer than it is wide

Answer 17

Long Bones

Question 18

Examples are Femur, tibia, fibula, metatarsals, humerus, ulna, radius, metacarpals, phalanges

Answer 18

Long Bones

Question 19

Function leverage

Answer 19

Long Bones

Question 20

Cube-like shape, approximately equal in length, width, and thickness

Answer 20

Short Bones

Question 21

Function is to Provide stability, support, while allowing for some motion

Answer 21

Short Bones

Question 22

Examples are Carpals, tarsals

Answer 22

Short Bones

Question 23

Thin and curved

Answer 23

Flat Bones

Question 24

Functions is to Points of attachment for muscles; protectors of internal organs

Answer 24

Flat Bones

Question 25

Examples are Sternum, ribs, scapulae, cranial bones

Answer 25

Flat Bones

Question 26

Complex shape

Answer 26

Irregular Bones

Question 27

Function is to Protect internal organs

Answer 27

Irregular Bones

Question 28

Examples are Vertebrae, facial bones

Answer 28

Irregular Bones

Question 29

Small and round; embedded in tendons

Answer 29

Sesamoid Bones

Question 30

Protect tendons from compressive forces

Answer 30

Sesamoid Bones

Question 31

Example is Patella

Answer 31

Sesamoid Bones

Question 32

The structure of bones make it both _

Answer 32

strong and light weight

Question 33

__ % of an adults body weight is bone

Answer 33

20 %

Question 34

Bone is made up of 2 minerals:

Answer 34

• Calcium
• Phosphorus