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Human science
The Brain- hardware 1st year nursing student
| Question | Answer |
|---|---|
| The Central Nervous System | The Brain and the spinal cord |
| 3 types of neurons | 1) Sensory- a neuron that responds to input from sensory organs 2) motor neuron - a neuron tha sends signals to muscles and controls movement 3) Interneuron- a neuron that is connected to other neurons, not to sense organs or muscles. |
| structure of a neuron | cell body, cell membrane, axon, terminal button, dendrite. |
| Neural impulses | neurons carry messages because their membranes have a special property called excitability. |
| Neurotransmitter (acethylcoline or noradrenaline) | when a nerve impluse reaches the terminal button, it causes the release of this chemical |
| neurotransmitter -Glutamate | excitatory effects |
| neurotramitter -Gaba | inhibiting effects |