Summary: Neuro
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1 neuro
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Approx how many neurons do humans have?
100 billion -
Where are many of our sensory receptors found?
Eyes, Ears and body surfaces -
What do sensory receptors do for us?
They can cause immediate reactions from the brain or memories of experiences can be stored in the brain -
What are the 3 most important motor functions controlled by the nervous system?
contraction skeletal muscle, contraction smooth muscles,secretion of chemical substances by the exocrine and endocrine glands -
How does memory influence thinking?
immediate body responses -
What consists of the lower brain?
medulla, pons, mesencephalon, hypothalamus, thalamas, cerbellum, basal ganglia -
What does the spinal cord control?
walking mvmts, reflexes that withdraw from painful objects, reflexes that stiffen the legs, reflexes that control bld vessels and GI mvmts, and urinary excretion -
What does the lower brain control?
subconcious activity, licking lips, emotional patterns such as anger, excitement, sexual responses or responses to pain or pleasure. -
What does the higher brain control?
The cerebral cortex is our memory storehouse. It is essential for our thought process and the use of our minds -
What are transmitter substances and what do they do?
They are neurotransmitters that act on the receptor proteins in the membrane of the next neuron to excite the neuron or inhibit its sensitivity
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