Chapter 11- Muscle Infrastructure & Physiology Flashcards
1
Q
What are the 3 types of muscles?
A
skeletal, cardiac, and smooth muscle
2
Q
What is excitability (responsiveness) in muscles?
A
To chemical signals, stretch, and electrical changes across the plasma membrane
3
Q
What is conductivity in muscles?
A
Local electrical excitation sets off a wave of excitation that travels along the muscle fiber
4
Q
What is contractility in muscles?
A
Shortens when stimulated
5
Q
What is extensibility in muscles?
A
Capable of being stretched between contractions
6
Q
What is elasticity in muscles?
A
Returns to its original rest length after being stretched
7
Q
Skeletal muscle
A
Voluntary, striated muscle usually attached to bones
