Skeletal System Part 1

Question 1

Skeletal System Roles:

Answer 1

1. Support
2. Storage
3. Blood cell production
4. Protection
5. Leverage

Question 2

Support:

Answer 2

-framework for tissues and organs

Question 3

Storage:

Answer 3

-minerals (calcium salts)
-lipids( in yellow marrow)

Question 4

Blood Cell Production:

Answer 4

-hematopoiesis
-produced in red marrow

Question 5

Protection:

Answer 5

-surrounds organs

Question 6

Leverage:

Answer 6

• bones as levers
  -movement, magnitude, and direction

Question 7

Bone Classification:

Answer 7

-shape
-internal tissues

Question 8

Bone Markings:

Answer 8

-projections, depressions, and openings on surface
-function
-attachment

Question 9

Bone Shapes:

Answer 9

1. Long
2. Flat
3. Sutural
4. Irregular
5. Short
6. Sesamoid

Question 10

Long Bones Characteristics:

Answer 10

-long and slender, levers

Question 11

Long Bones Location:

Answer 11

-Arm ( humerus, radius, ulna)
-Leg (femur, tibia)
-Palms/fingers (metacarpals, phalanges)
-Toes/soles (metatarsals, phalanges)

Question 12

Flat Bones Characteristics:

Answer 12

-thin, roughly parallel surfaces

Question 13

Flat Bones Location:

Answer 13

-roof of skull
-sternum
-ribs
-scapula

Question 14

Sutural Bones Characteristics:

Answer 14

-wormian bones
-small, flat, irregular
-differ from person to person

Question 15

Sutural Bones Location:

Answer 15

-between bones of the skull

Question 16

Irregular Bones Characteristics:

Answer 16

-complex shapes
-short, flat, ridged surfaces

Question 17

Irregular Bones Location:

Answer 17

-vertebrae
-pelvis bones
-some skull bones

Question 18

Short Bones Characteristics:

Answer 18

-small
-boxy

Question 19

Short Bones Location:

Answer 19

-carpal bones
-tarsal bones

Question 20

Sesamoid Bones Characteristics:

Answer 20

-small, flat
-like sesame seed

Question 21

Sesamoid Bones Location:

Answer 21

-develops inside tendons
-near knee, hand, and feet joints
-patellae
-some can vary & develop depending on person

Question 22

Depressions or Grooves:

Answer 22

-along bone surface

Question 23

Elevations or projections:

Answer 23

-where tendons &ligaments attach
-at articulations w other bones

Question 24

Tunnels:

Answer 24

• where blood and nerves enter bone

Question 25

Bone Structure: