Module 2: Muscles Flashcards
1
Q
Excitability
A
Ability to respond to stimuli and produce electrical signals
2
Q
Contractibility
A
Ability to shorten and generate force once excited
3
Q
Extensibility
A
Ability to stretch without damaging tissue
4
Q
Elasticity
A
Ability to return to normal length after being extended
5
Q
Thermal
A
Ability to produce heat energy
6
Q
Skeletal muscle
A
Striated, multi-nucleated
7
Q
Cardiac muscle
A
Striated, single nucleus
8
Q
Smooth
A
Non striated
9
Q
Muscle Composition
A
- Skeletal muscle bundles
- Fascicles
- Muscle fibers
- Myofibrils
- Sarcomeres
- Filaments
10
Q
Thick filaments
A
Myosin
11
Q
Thin filaments
A
Actin, troponin, tropomyosin
12
Q
Motor unit composition
A
Single motor neuron, muscle fibers
