Nerve Cell Communication
An impulse (action potential) could be described as area of _________ charges that travel over the outside of the neuron
Negative
Which part of a neuron receives the chemical message?
Receptor Protein on the receiving neurons
Nucleus
The part of the neuron that controls the life activities of the neuron
Axon
The part where the neuron conducts electrical impulses over long distances
Terminal Branches
The part where the neuron sends chemical signals o other neurons
What are two names for the electrical signal that is conducted along a neuron called?
Impulse or action potential
Why cant an impulse pass directly from one nerve cell to another?
It cant jump the synapse
Dendrite
Part where the neuron sends chemical signals from other neurons and the neuron that has receptor proteins attached to the cell membrane
The outside of the neuron that is not conducting an impulse will have a ___________ charge
Positive
Neurotransmitters
The chemical signal molecule produced by a neuron
Impulse
The electrical signal that is conducted by a neuron.
Synapse
The gap between two neurons
Myelin Sheath
The structure forms an insulation covering for axons and speeds up impulse conduction along an axon
Vesicle
The structure in a neuron stores chemical signal molecules
Which part of a neuron releases the chemical message?
Vesicles in the terminal branch
What causes the sending nerve cell to release a chemical message into the synapse?
When the impulse reaches the terminal branches of a neuron, it triggers the release of neurotransmitter molecules from the vesicles.