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BSC 2085 Exam #3 FSU Yung Su (Lessons 12, 13, 14, 15-16) Questions And Answers Rated 100% Correct!! CA$12.08   Add to cart
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BSC 2085 Exam #3 FSU Yung Su (Lessons 12, 13, 14, 15-16) Questions And Answers Rated 100% Correct!!
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  • BSC 2085 FSU Yung Su (Lessons 12, 13, 14,

Afferent Division - ️️approaches CNS; carries sensory info; from PNS sensory receptors to CNS Neurons - ️️the basic functional units of the nervous system; cells that send and receive signals Peripheral Nervous System - ️️includes all neural tissue outside the CNS; delivers sensory...

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  • October 2, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
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  • bsc 2085 fsu yung su lessons 12 13 14

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  • BSC 2085 FSU Yung Su (Lessons 12, 13, 14,
  • BSC 2085 FSU Yung Su (Lessons 12, 13, 14,

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BSC 2085 Exam #3 FSU Yung Su
(Lessons 12, 13, 14, 15-16)
Afferent Division - ✔️✔️approaches CNS; carries sensory info; from PNS sensory
receptors to CNS

Neurons - ✔️✔️the basic functional units of the nervous system; cells that send and
receive signals

Peripheral Nervous System - ✔️✔️includes all neural tissue outside the CNS; delivers
sensory info to the CNS and carry motor commands from the CNS to peripheral tissues
and systems

The Nervous System - ✔️✔️made of neurons and neuroglia cells; includes all neural
tissue in the body

Neuroglia - ✔️✔️cells that support and protect neurons

Nerves - ✔️✔️axons of neurons


Cranial Nerves - ✔️✔️connect to the brain

Spinal Nerves - ✔️✔️attach to spinal cord

Tract - ✔️✔️a bundle of axons in the CNS

Nerve - ✔️✔️a bundle of axons in the PNS

Efferent Division - ✔️✔️exits CNS; carries motor commands; from CNS to PNS
muscles and glands

Receptors - ✔️✔️detect changes or respond to stimuli; can be found on neurons and
specialized cells

Effectors - ✔️✔️respond to efferent signals coming from CNS (cells and organs)

Somatic Nerous System - ✔️✔️controls voluntary and involuntary (reflexes) skeletal
muscle contractions

, Autonomic Nervous System - ✔️✔️controls subconscious actions, contractions of
smooth muscle and cardiac muscle, and glandular secretions; sympathetic division and
parasympathetic division

Sympathetic Division - ✔️✔️stimulating effect (fight or flight response)

Parasympathetic Division - ✔️✔️relaxing response

Cell Body - ✔️✔️soma

Dendrites - ✔️✔️used to receive information

Axon - ✔️✔️sends info (electrical signals) away from the soma towards a target cell

Perikaryon - ✔️✔️cytoplasm

Mitochondria - ✔️✔️produce energy

Neurotransmitters - ✔️✔️chemical messengers used in signaling other cells

Neurofibrils - ✔️✔️bundles of neurofilaments that provide support for dendrites and
axons

Dendrites - ✔️✔️highly branched, each branch contains studded processes called
dendritic spines

Chemical Gradient - ✔️✔️concentration gradient (Na+, K+)

Electrical Gradient - ✔️✔️Separate charges of positive and negative ions
Result in potential difference

Electrical Current - ✔️✔️movement of charges to eliminate potential difference of
charges

Resistance - ✔️✔️the amount of current a membrane restricts

The Electrochemical Gradient - ✔️✔️For a particular ion (Na+, K+) is the sum of
chemical and electrical forces acting on the ion across a plasma membrane; A form of
potential energy

Passive/ Leak Channels - ✔️✔️always open, permeability changes with conditions

Active Channels (Gated Channels) - ✔️✔️Open and close in response to stimuli; At
resting potential, most gated channels are closed

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