Skeletal System Flashcards
1
Q
5 Functions
A
- Framework for body
- Support & protection for internal organs
- Body movement
- Calcium required for nerve & muscle function
- Helps produce red bone marrow
2
Q
Structure of bones
A
- Form of connective tissue
2. Second hardest tissue in the body
3
Q
Long bone: Periosteum
A
Outermost covering of the bone
4
Q
Long bone: Compact bone
A
Forms protective outer layer of bone
5
Q
Long bone: Medullary cavity
A
Central cavity located in long bone, red & yellow bone marrow stored here
6
Q
Long bone: Endosteum
A
Lines the medullary cavity
7
Q
Diaphysis
A
Shaft of a long bone
8
Q
Epiphysis
A
Wider ends of long bones
9
Q
Foramen
A
Opening in a bone through which vessels, nerves, and ligaments pass
10
Q
Process
A
Projection of a bone
11
Q
Joints: Fibrous
A
- Inflexible layers of tissue
- Holds bones tightly together
- Also known as sutures
12
Q
Fontanelle
A
“soft spots”
13
Q
Joints: Cartilaginous
A
- Allows slight movement
- Where ribs connect to sternum
14
Q
Joints: Synovial
A
- Created where 2 bones articulate
- Permits a variety of movement
- Ball and socket (shoulders, hips)
- Hinge (knee, elbows)
15
Q
Axial Skeleton: # of bones
A
80 bones
