BSC 2085 EXAM #3 FSU YUNG SU (LESSONS 12, 13, 14, 15-16) QUESTIONS AND ANSWERS 2024/2025
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Course
BSC 2085
Institution
BSC 2085
The Nervous System
→ made of neurons and neuroglia cells; includes all neural tissue in the body
Neurons
→ the basic functional units of the nervous system; cells that send and receive signals
Neuroglia
→ cells that support and protect neurons
Central Nervous System
→ brain and spina...
BSC 2085 EXAM #3 FSU YUNG SU
(LESSONS 12, 13, 14, 15-16)
QUESTIONS AND ANSWERS 2024/2025
The Nervous System
→ made of neurons and neuroglia cells; includes all neural tissue in the body
Neurons
→ the basic functional units of the nervous system; cells that send and receive signals
Neuroglia
→ cells that support and protect neurons
Central Nervous System
→ brain and spinal cord; contains neural tissue, connective tissues, and blood vessels;
processes and coordinates sensory data from inside and outside the body, motor
commands control activities of peripheral organs, and higher functions of the brain:
intelligence, memory, learning, and emotion
Nerves
→ axons of neurons
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
→ 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
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