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Which muscle characteristic describes the ability of muscle to respond to a stimulus?
Excitability
Which muscle trait is the ability to respond to a stimulus such as a nerve or hormone?
Muscle excitability is the ability to respond to a stimulus, such as a nerve signal or hormone, by generating an electrical impulse that leads to muscle contraction. This trait allows muscles to react to signals from the nervous or endocrine systems to produce movement.
A muscle fiber will not respond to a stimulus until that stimulus reaches what?
A muscle fiber will not respond to a stimulus until that stimulus reaches the threshold level needed to trigger an action potential. This threshold level is the minimum amount of stimulus required to elicit a response from the muscle fiber.
Is irritability a function of muscle tissue?
Yes. They respond to stimulus.
If a muscle cell receives a second stimulus while it is contracting will it respond to the second stimulus?
no because it doesnt want to
The most distinguishing characteristic of muscle tissue is?
Excitability = the ability to receive and respond to a stimulus Contractility = the ability to shorten Extensibility = the ability to be stretched Elasticity = the ability to resume normal length after contraction or having been stretched.
The ability of muscle to receive and respond to stimuli?
excitability
What is the condition called when a muscle is being stimulated but is not able to respond?
It is called muscle fatigue.
Do bones and muscles work together for movement?
Well, yes but bones have no nerve stimulus so respond to muscle movement.
What is the minimal stimulus needed to elicit a muscle contraction is called?
Threshold Stimulation
Does all body cells exhibit irritability to some extent?
Muscle cells are irritable and respond to stimuli. Muscle twitch is defined as contraction and relaxation in the muscle cell. The stimulus needs to be above a certain threshold for the muscle fibres to react. The more the stimulus, the greater the strength of the contraction.
How does the threshold stimulus influence muscle contraction?
The threshold stimulus is the stimulus required to create an action potential. So any stimulus under this level will not cause muscle contraction, while a stimulus above this level will cause the muscle to contract. The higher the stimulus the more muscle fibers are recruited, and thus the higher the response.
