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Chapter 2: Biology and Behavior STUDY TEST
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Chapter 2: Biology and Behavior STUDY TEST
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Chapter 2: Biology and Behavior STUDYTEST
Nervous system - ANS Communication network that conveys messages throughout
your body, using electrical and chemical processes
- Brain
- Spinal cord
Neuroscience - ANS The study of the brain or nervous system
Biological psychology - ANS The subfield of psychology concerned with
understanding how the brain and other biological systems influence human behavior
Neurons (AKA nerve cells) - ANS Specialized cells that communicate through both
electrical and chemical signals
- building blocks of the brain, spinal cord, and nerves
Comprised of the brain, spinal cord, and other nerves, is a __________ communication
network that conveys messages throughout the body, using electrical and chemical
processes. - ANS The human nervous system
A researcher studying the impact of Brandon's brain injury might work in the field of
__________, which includes the study of the brain and nervous system. - ANS
Neuroscience
Neuron cell body - ANS Contains the standard components found in most human
cells: a nucleus containing DNA, protein-producing mechanisms, and other structures
that nourish the cell
, Dendrites - ANS Tiny branch-like fibers that extend from nerve cells
Axon - ANS Long, skinny, tube-like projection of the cell body, with branches ending in
TERMINAL BUDS
Myelin sheath - ANS A fatty substance that surrounds axon and provides insulation
and therefore speeds communication
Nodes of Ranvier - ANS Gaps between segments of the myelin
- Exchange of ion fluids can only happen here (where there is no myelin)
Synapse - ANS Gap btwn terminal bud of one axon and dendrite of the neighboring
neuron
Glial cells - ANS Hold neurons together and maintain the structure of the nervous
system
- Outnumber neurons 50:1
- "Glue" of the nervous system that provide COHESION and SUPPORT for neurons
Astrocytes - ANS Type of glial cell
Schwann cell - ANS Type of glial cell that produces myelin that envelops axons
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