What helps speed up neuron transmissions? (Surrounds the axon).
The Myeline Sheath!
When the neuron either fires or doesn't.
all or nothing response.
What chemical messenger crosses the synapse?
The neurotransmitter
What is involved in pain control?
Endorphin
Passes messages away from the cell body to other neurons, muscles and glands.
The Axon!
The minimum stimulus that is required to send a response/reaction.
The threshold
What nerve cells detect then send response to external signals?
Sensory Neurons
What is involved in pleasure and mood (happiness, etc.)
Dopamine.
the gap between neurons, its form junctions with other cells, sending the message across.
The Synapse!
What is the time when the neuron is unable to fire, the resting period
Refractory period
What nerve cell sends messages from the brain to the muscles?
What is involved in mood control?
Serotonin.
What part of the neuron receives the messages from other neurons? (Often referred to as making up a branched process of the nerve cell).
The Dendrite!
What is it called when the neuron has reached a positive charge and is ready to fire?
Action Potential
What is in charge of motor movement and memory?
ACH (Acetylcholine)
What reduces your anxiety?
Gaba