Muscular System Flashcards
What are the 6 functions of the Muscular System
- Movement
- Move substances in body
- Make Heat
- Stabilize Joints
- Stabilize Posture
- Stabilize Body Position
What are the 4 characteristics of muscle tissue?
Contractility
Extensibility
Excitability
Elasticity
What is Contractility?
Ability to shorten and thicken with force
What is Extensibility?
Ability to stretch
What is Excitability?
Ability to respond to stimuli
What is Elasticity?
Ability to return to original shape after contraction
What is Sliding Filament Theory?
The way Myosin & Actin latch in waves
What are the 3 types of Muscle Tissue?
Smooth
Skeletal
Cardiac
What analogy describes Muscle?
“Ropes”
Fibers made up of smaller and smaller fibers
What does the Smooth Muscle Tissue do?
Smooth muscle cells make up Blood Vessels and Hollow Organs
What does the Skeletal Muscle Tissue do?
Moves Body
What does the Cardiac Muscle Tissue do?
Heart Muscle
