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25 Cards in this Set
- Front
- Back
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What is a neuron? |
Nerve cell. |
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What carries impulses to the cell body? |
Dendrites. |
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What is an axon? |
Carries impulses away from cell body. |
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What increases the rate of impulse transmission and protects axon? |
Myelin sheath. |
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What is a synapse? |
The gap between the dendrites of a neuron and axon of another neuron. |
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What are chemicals that transmit nerve impulses at the axon? |
Neurotransmitter. |
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What is the CNS (Central Nervous System)? |
Brain and spinal cord. |
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What is the PNS (Peripheral)? |
Cranial nerves and spinal nerves. |
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What do the cranial and spinal nerves control? |
Somatic and autonomic (fight or flight). |
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What do your somatic nerves control? |
Sensory and motor skills. |
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What do your autonomic nerves control? |
Sympathetic and parasympathetic nerves. |
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What happens to your sympathetic nerves? |
"Stress" Heart rate increases Breathing increases Blood pressure increases Digestive system stops |
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What happens to your parasympathetic nerves? |
"Relax" Heart rate decreases Breathing slows Blood pressure decreased Digestive system starts |
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The frontal lobe of the brain controls: |
Emotions, personality, speech, intellect, morality |
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What lobe of the brain controls sensory, movements, pain, heat, touch, smelling? |
Parietal. |
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The temporal lobe controls: |
Hearing. |
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What lobe of the brain controls vision? |
Occipital. |
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The cerebellum controls: |
Balance, coordination, movement |
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What part of the brain controls memory, coordination, and balance? |
Cerebrum. |
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What does the thalamus control? |
It transmits signals to parts of the brain. |
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What part of the brain controls CSF (cerebrospinal fluid)? |
Ventricles. |
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What is cerebrospinal fluid? |
A shock absorption. |
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What does the hypothalamus control? |
Emotions, mood, temp regulation, hunger, sleep |
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What is the meninges? |
The layer between skull and brain. |
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What does the pins and medulla control? |
Swallowing, breathing, heart rate, blood pressure |
