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What are the sources of stimulation that start a nerve impulse?
Wiki User
∙ 13y ago
An impulse begins when a neuron is stimulated by another neuron or by the environment.
Wiki User
∙ 13y ago
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Parts of a multipolar neuron its order of receiving nerve impulses?
write the following parts of a multipolar neuron in the correct order(1-8) of receiving and sending the nerve impulse. Start with the dendrites as number one.
What transmits impulse between sensory and motor neurons?
Nerve impulses are transmitted between neurons via neurotransmittors that are released into the synapse by the sending neuron. The neurotransmittor then binds to a receptor on the receiving neuron; when enough receptors are triggered, an action potential is initiated on the receiving neuron.
What happens when an impulse reaches the end of an axon?
It reaches the synapse and sends neurotransmitters to start a new impulse to the next neuron
What are some organs that start with o in your bodies?
· optic nerve · ovary
Why is action potential self regenerating?
By self regenerating, they mean that when you start an action potential, it continues in proximal (nearby) tissue (e.g., nerve). The depolarization of the action potential continues along the nerve.
Where does a nerve impulse start?
A nerve impulse starts at the dendrite
Where is the neuron in the body?
Neuron is the nerve cells that carry messages to the brain .The various parts of neuron are dendrite ,axon ,nucleus , cell body and nerve ending . All the information from the environment is detected by the specialised tips of nerve cells .These receptors are usually located in our sense organs such as,nose , tongue and so on. The information acquired at the end of the dendritic tip of a nerve cell sets off a chemical reaction that creates an electrical impulse . This impulse travels from the dendrite to the cell body , and then along the axon ,to its end .At the end of the axon , the electrical impulse sets of the release of some chemicals . These chemicals cross the gap or synapse, and start a similar electrical impulse in a dendrite of the next neuron . This is how nerve impulse travel in a body
Parts of a multipolar neuron its order of receiving nerve impulses?
write the following parts of a multipolar neuron in the correct order(1-8) of receiving and sending the nerve impulse. Start with the dendrites as number one.
Which ion enters an axon to start a nerve impulse?
Sodium is the first ion to enter the axon, initiating the action potential.
1 List the physiological events that occur between delivery of the stimulus and the start of the recorded response?
The speed of nerve impulse transmission changes as the body ages. In infants, the transmission speed is only about half that seen in adults. By age five, most people have attained the adult velocity. A gradual decline in conduction velocity begins as people reach their 20s, and continues for the remainder of life. Another factor that influences conduction velocity is the length of the nerve itself. An impulse that has to travel a longer distance will take longer. Some nerves are naturally longer than others. Measurement of nerve conduction takes into account the length of the target nerve. Some other factors are: · Initiation of action potential in nerve fibers; · Conduction of impulse; · Release of acetylcholine from the nerve terminals; · Binding of acetylcholine to receptors of the motor end plate; · Depolarization of the end plate; · Initiation of action potential in muscle fibers; · Muscle contraction.
What transmits impulse between sensory and motor neurons?
Nerve impulses are transmitted between neurons via neurotransmittors that are released into the synapse by the sending neuron. The neurotransmittor then binds to a receptor on the receiving neuron; when enough receptors are triggered, an action potential is initiated on the receiving neuron.
Where on a neuron does an impulse start and end?
the impulse starts at the dendrites which is located near the cell body and ends at the synaptic terminals which are at the end of the axon.
Why electrical impulse start in senatorial node?
Coz they iz ard
What happens when an impulse reaches the end of an axon?
It reaches the synapse and sends neurotransmitters to start a new impulse to the next neuron
Where do rivers start or have their sources?
oceans
What are some organs that start with o in your bodies?
· optic nerve · ovary
Where does the ulnar nerve start and end?
The ulnar nerve runs along the ulna bone in the arm. It starts at the shoulder and ends at the pinky finger.
