Skeletal system

Question 1

How many bones are in the human skeleton? How much of body weight do they take up?

Answer 1

206. 14% body weight.

Question 2

5 Functions of bones

Answer 2

1. Structural support (EX. support for soft tissue)
2. Provide protection (EX. rib cage protects heart and lungs)
3. Growth center for cells (EX. red blood cells and platelets are made in bones)
4. Reservoir of minerals (EX. bones have calcium and phosphorous)
5. Movement (EX. Muscles attach to bones via tendons and act as levers)

Question 3

TYPE OF BONE: Long bones

Answer 3

(12) found in legs and arms (Function: used for movement)

Question 4

TYPE OF BONE: Short bones

Answer 4

found in wrists and hands (Function: fine/intricate motor skills)

Question 5

TYPE OF BONE: Flat bones

Answer 5

flat and thin in roof of skull (Function: used for protection)

Question 6

TYPE OF BONE: Irregular bones

Answer 6

odd looking bones like vertebrae (Function: accommodate maximal movement)

Question 7

TYPE OF BONE: Sesamoid bones

Answer 7

small and flat wrapped around with tendons like patella (Function: stabilize)

Question 8

Axial skeleton (function?+how many?)

Answer 8

Bones of the core:
- stability
- protection of valuable organs
-80

Question 9

Appendicular skeleton (function?+how many?)

Answer 9

Limbs:
- movement
-126

Question 10

Bone landmarks

Answer 10

ridge, bump or grove on bone (subparts on main bones)

Question 11

Epiphysial plate

Answer 11

plates that turn into epihysial line as you grow (growth plate: what makes you tall)

Question 12

Types of fractures

Answer 12

simple fracture: hairline fracture
compound fracture: break in half
complex fracture: break into half + a bunch of small peices

Question 13

Types of joints