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1. Autonomic Nervous System: The ______ nervous systems enhances the body’s ability to recover from strenuous activity, reducing heart rate & blood pressure.
R T E Y P A H T I C A A S P M
2. Autonomic Nervous System: The ______ nervous systems prepares the body for strenuous activity, like speeding heart rate & suspending digestion.
H E Y A S P T M C T I
3. The _____ nervous system refers to the part that controls involuntary activities, such as heartbeat, blood pressure, & pupil size.
O I N C T M O U A
4. The _____ nervous system controls voluntary activities, like using your thumbs to send a text.
T I A M C O S
5. _____ neurons send signals from the brain to the glands and muscles, so you use these when you walk or exercise.
R T E N F F E E
6. _____ neurons relay messages from the sense organs (eye, ear, nose, skin) to the brain, such as when you smell food cooking.
R E E T F F A N
7. Neurotransmitters & disease: An undersupply of norepinephrine and _____ may result in depression.
N N O I O E R T S
8. Neurotransmitters & disease: An oversupply of _____ is linked to schizophrenia, while an undersupply is linked to Parkinson’s disease.
A P I D N O E M
9. ___ neurotransmitters cause action in the next neuron.
I A E O X C R T Y T
10. _____ neurotransmitters prevent action in the next neuron.
O B I N I H R Y T I
11. An axon transmits its impulses to a dendrite across the synaptic gap, using a chemical known as a _____ .
T T R U R A T S M E I E R N O N
12. The small gap between the "axon" terminals of one neuron and the "dendrites" of another neuron is called a _____ .
E S Y S N P A
13. The ___ sheathe is a fatty substance that insulates the axon of neurons, and in cases of multiple sclerosis, this substance is destroyed.
N L Y M E I
14. ___ is what allows new dendrites to form, which can happens after spinal injuries, or when learning new behaviors.
I Y T A P C S L I T
15. _____ signals move from the cell body to other cells along the axons.
C I A E L E R L C T
16. ___ are thin fibers that protrude from the cell body & that receive impulses from other neurons.
R I D T E N S D E
17. To prevent paralysis, the brain is protected in the skull and the spinal cord is protected in the skeletal ___ .
E T B R A V E E R
18. The nervous system transmits information back and forth between central nervous system and everything else.
R L P E E A R P H I
19. The ___ nervous system contains the brain and spinal cord.
L N R E A C T
20. Your ___ ___ never stops working, even when you are asleep.
U N S E V O E T M R S S Y