Unit 6: Muscles Flashcards
1
Q
Functions of muscles
A
1) Produce Movement
2) Maintain posture
3) Stabilize joints
4) Generate heat
5) Protection
2
Q
Types of muscle
A
1) Skeletal muscle
2) Smooth muscle
3) Cardiac muscle
3
Q
skeletal muscles
A
voluntary/striped/striated
small multiple nuclei
long but thin
4
Q
Smooth muscle
A
involuntary
In gastrointestinal tract/urinary/reproductive/blood vessels
5
Q
Cardiac muscle
A
wall of heart
intercalated disc-allows electrochemical impulses to be conveyed
6
Q
contraction of muscles are due to
A
microfilaments
7
Q
Types of joints
A
1) Fibrous
2) Cartilaginous
3) Synovial
8
Q
Fibrous joints
A
- Immovable
- held together by fibrous tissue
- Sutures in the skull
- attachment of teeth
9
Q
Cartilaginous
A
- Slightly movable joints
- Held together with fibrocartilage or hyaline cartilage
- Ribs
- Between vertebrae
10
Q
Synovial
A
-Freely movable joints
- Contains synovial fluid for frictionless movement
- knee joint
- Elbow
- wrist
11
Q
A
