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