Skeletal system

Question 1

How are skeletal muscles controlled?

Answer 1

Skeletal muscles are ultimately controlled by muscles pulling on bones

Question 2

What is the epiphyseal plate?

Answer 2

Growth plate

As the cartilage grows wider the outside cells otasify or harden which increases bone length.

Question 3

What are the 5 features of synovial joints?

Answer 3

1. Hyaline cartilage
2. Joint capsule
3. Synovial membrane
4. Synovial fluid
5. Ligaments

Question 4

What are the 2 types of bone tissue?

Answer 4

Compact - strong, heavy

Cancellous - honey comb like, light weight

Question 5

What are the 5 parts of the spine IN ORDER?

Answer 5

1. Cervical vertebra
2. Thoracic vertebra
3. Lumbar vertbra
4. Sacrum
5. Cocyx

Question 6

What are the 2 parts of the skeleton and what do they include?

Answer 6

AXIAL - MIDDLE
- Skull
- Vertebral column
- Sternum
- Ribs
APPENDICULAR - COME OFF MIDDLE
- Arms
- Hands
- Knee
- Legs

Question 7

What are irregular bones - give an exapmple

Answer 7

Reinforced where extra strength is needed

E.g spine/ vertebrate

Question 8

What are flat bones - give an example

Answer 8

Allow for large muscle attachment

E.g scapula

Question 9

What are short bones - give an example

Answer 9

Short and chuncky - allow movement

E.g Carpals

Question 10

What are long bones - give an example

Answer 10

Longer then they are wider

E.g Humerous

Question 11

What are 5 types of synovial joints - example of each

Answer 11

Gliding joint - Wrist, ankle
Ball and socket joint - shoulder, hip
Hinge joint - elbow, knee
Pivot joint - neck
Saddle joint - base of thumb

Question 12

What are the 3 types of joints and how much movement occurs

Answer 12

FIBROUS
- Immovable
CARTILAGINOUS
- Particially moveable
SYNOVIAL
- Move freely

Question 13

What are the 5 functions of bones?

Answer 13

1. Support
2. Protection
3. Movement
4. Storage
5. Red blood cell production