COORDINATION

2. Autonomic NS that dominant under stress or at time danger
4. potential The membrane potential when axon is not transmitting any impulse.
6. voltage-gated sodium channels are closed Some voltage-gated potassium channels are still open/ slowly closed
8. Comprised of sensory and motor neuron that connect CNS to receptors and effectors
9. Autonomic NS that promote calming and return to normal
11. conduction velocity depends on 3 factors : Axon diameter,Myelination of neuron and number of __________
12. highly branched extensions that receive input and conduct toward cell body
14. A nervous system which controls voluntarily responses
16. Its function is transmitting output impulse from CNS to muscles and glands.
17. Gaps between myelin sheaths where signal jumps to next node
19. concentration inside the neurons contains mostly
20. ions when a neuron is not transmitting an impulse outside the neurons a higher concentration of
21. junction is a synapse between terminals ends of motor neuron with skeletal muscle or smooth muscle

1. muscle consists of a bundle of long muscle fiber. Each muscle fiber consists of hundreds of myofibrils.
3. potential The membrane potential when axon is transmitting impulse
5. Synaptic terminal/knob is a small swelling at the terminal of a neuron contains synaptic vesicles with ______________ molecules.
7. pumps During resting potential Na+ and K+ gradients are maintained by_____________
8. ions when a neuron is not transmitting an impulse;
10. If the depolarization reach ______________, -55mV trigger an action potential.
13. Conducts signals to and from the brain, controls reflex activities.
15. is a stimulant drug that affects dopamine synapse in the brain.
18. A nervous system which controls involuntarily activities of internal environment