The following describes the physiology of a neuron sending a signal to a muscle

Question

The following describes the physiology of a neuron sending a signal to a muscle to start contraction. Please fill in the blank. Some words are repeated A neuron interacts with another neuron creating a synapse. At the synapse the pre-symaptic neuron releases an excitatory neurotransmitter that crosses the synaptic cleft and binds to gated channels on the dendrite that allow the ion, (2) to enter the cell. This change in voltage caused by the outflow of ions generates a(n) (3)_ potential which is a local change in potential with noe positive This potential travels from the dendrite to a location in the neuron known as the (4) which is where both the cell body and axon meet. From this location if the potential reaches threshold it will open (5)gated sodium channels which will initiate a(n) (6) pottial which wil travel down the axon. When it reaches the axon terminal it will open new channels which are the will allow (8_ ions to enter into the cell. Once these new ions have entered the cell they will cause vesicles filled with the neurotransmitter, (9), to release in the synaptic cleft and bind to ligand gated channels on the muscle that allow (10) muscle and cause a raise in voltage. ions to enter

Explanation / Answer

1.voltage gated channel.

2.sodium ion.

3.action potential.

4axob hillock.

5.Voltage gated channel.

6actiok potential.

7ligand gated .

8 calcium ion.

9.acetycholine.

10.sodium ion.

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