BIO 253 EXAM 2 SET 1
CNS-ANSWER: The spinal cord and brain
PNS - ANSWER Spinal and Cranial Nerves
ANSWER integrates information from the internal and external environments.
CNS (Main Function)
PNS (Main Function)-ANSWER Interaction between the CNS and the outside
world
Two Primary Types of Nervous Tissue Cells: Answer Neurones and Neuroglia
ANSWER Axons and Dendrites make up nervous tissue cells.
Axon: ANSWER Drive impulses out of the cell body.
Dendrites send impulses in the direction of the cell body.
ANSWER Astrocyte Deliver oxygen and nutrition to the brain.
ANSWER Ependymal Cell Produce and distribute cerebral spinal fluid, or
CSF.
ANSWER Schwan Cell Myelin sheath formation in PNS
ANSWER: Oligodendrocytes comprise the CNS's myelin coating.
Unipolar Neurone: Mostly Sensory (changes in perception)
Multipolar Neurone: Mostly Motor (Most Abundant) Response
ANSWER: Bipolar Neurone in the Eye's Retina (Cons & Rods)
Answer: Ascending Tracks: Deliver impulses to the brain
CNS-ANSWER: The spinal cord and brain
PNS - ANSWER Spinal and Cranial Nerves
ANSWER integrates information from the internal and external environments.
CNS (Main Function)
PNS (Main Function)-ANSWER Interaction between the CNS and the outside
world
Two Primary Types of Nervous Tissue Cells: Answer Neurones and Neuroglia
ANSWER Axons and Dendrites make up nervous tissue cells.
Axon: ANSWER Drive impulses out of the cell body.
Dendrites send impulses in the direction of the cell body.
ANSWER Astrocyte Deliver oxygen and nutrition to the brain.
ANSWER Ependymal Cell Produce and distribute cerebral spinal fluid, or
CSF.
ANSWER Schwan Cell Myelin sheath formation in PNS
ANSWER: Oligodendrocytes comprise the CNS's myelin coating.
Unipolar Neurone: Mostly Sensory (changes in perception)
Multipolar Neurone: Mostly Motor (Most Abundant) Response
ANSWER: Bipolar Neurone in the Eye's Retina (Cons & Rods)
Answer: Ascending Tracks: Deliver impulses to the brain
