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Does a nerve provided impulses for many muscle fibers or just few?
A nerve can stimulate impulses to several muscle fibers. When muscle fibers are grouped they form a single muscle group like the biceps.
What carries impulses from the cns to the effectors?
Eletrical impulses throughout the nervous system
What are the function of the nerve fibers?
Arevbranching fibers at the end of the axon that lead the nervous impulse from the axon to the synapse
What does the tissues responsible for sensing stimuli?
The body tissue that has fibers that react to stimuli is called the "nervous tissue". The nervous tissue is composed of neurons or nerve cells that receive and transmit impulses and the "neuroglia" that help to transmit nerve impulses and also provide nutrition for the nerve cells.
A collection of nerve fibers through which impulses travel between the central nervous system and other parts of the body?
nervous system
Which Mineral is necessary for transmission of nerve impulses in the nerve fibers?
Zinc
Does a nerve provided impulses for many muscle fibers or just few?
A nerve can stimulate impulses to several muscle fibers. When muscle fibers are grouped they form a single muscle group like the biceps.
What carries odor impulses to the cerebrum for interpretation?
nerve fibers?
Muscle fibers contract and relax in response to what?
nerve impulses
How fast nerve impulses travel?
Nerve impulses travel through nerve fibers, and the speed of which they travel depends on the type of nerve fiber. They travel usually around 86 miles per hour.
What is the optics?
It is a bundle of nerve fibers that carry electrical impulses to the brain from the retina.
What fibers are the most rapid nerve impulses conducted on?
These are nerves in animals. They include central and peripheral; peripheral include somatic and autonomic.
How fast do nerves impulses travel?
Nerve impulses travel through nerve fibers via a action potential and the speed at which the impulse travels depends on the type of nerve fibre. This can range from 100m/s in the case of touch to 20-30 m/s when you're thinking.
What carries impulses from the cns to the effectors?
Eletrical impulses throughout the nervous system
What is the difference between a ganglion and a plexus?
Ganglion- is a collection of nerve cell bodies outside the central nerves system. Plexus- is a network of converging and diverging nerve fibers, blood vessels, or lymphatics.
What are the function of the nerve fibers?
Arevbranching fibers at the end of the axon that lead the nervous impulse from the axon to the synapse
Large diameter nerve fibers conduct impulses much faster than small diameter fibers?
No, they do not. Large nerve fibers have a larger diameter than small nerve fibers as the name suggests, but they are also extremely well insulated with Myelin Sheath that makes them transmit electrical signals very fast. "A" fibers represent this type of large nerve fibers. Small nerve fibers are smaller in diameter and there are two types, "B" & "C". B has less insulation than A, so it transmits less faster. C however, is not insulated at all and even though it has about the same diameter as B, it transmits electrical signals much more slowly.
