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BIOL 121P

Test 3 Review

QuestionAnswer
Central Nervous System brain and spinal cord
Peripheral Nervous System all nerves outside CNS
Somatic Nervous System voluntary movement
Autonomic Nervous System involuntary movement
Sensory Pathway afferent, carries info from body to brain
Motor Pathway efferent, carries info from brain to body
Sympathetic fight or flight
Parasympathetic rest and digest
Spinal Reflex fast, automatic response by spinal cord
Cranial Reflex complex, automatic response from brain
Left Hemisphere language and logic
Right Hemisphere Creativity and Spatial
Frontal Lobe decision making, movement
Parietal touch, spatial awareness
Temporal hearing, memory
Occipital vision
Brainstem responsible for breathing, heart rate
Diecephalon includes thalamus (relay station) and hypothalamus (homestasis)
Cerebellum balance, coordination
Corpus Callosum connects hemispheres
Sulci grooves that increase surface area on brain
Lateralization of Function certain functions are stronger in one hemisphere
Broca's Area speech production
Wernicke's Area language comprehension
Dendrites receive signals
Axon sends signals
Na+/K+ Pump moves 3 Na+ out and 2 K+ in, maintains resting potential
Depolarization Na+ enters
Repolarization K+ leaves
Hyperpolarization extra negative
Skeletal Muscle voluntary
Cardiac Muscle involuntary (heart)
Smooth Muscle involuntary (organs)
REM Sleep dreaming, brain active
NREM Sleep deep sleep, body repairs
Thalamus sensory relay, sleep regulation
Pineal Gland releases melatonin
Hormone chemical messenger in bloodstream
Endocrine System glands that release hormones into bloodstream
Endocrine Signal travels through blood (long distance)
Paracrine Signal diffuses locally and acts on nearby cells
Autocrine Signal affects same cell
Neural Signal neurotransmitter
Neuroendocrine Signal hormones released from neurons
Negative Feedback high hormone levels stops production
Anterior Pituitary Gland makes hormones
Growth Hormone body growth
Thyroid-Stimulating Hormone (TSH) controls thyroid
ACTH controls cortisol
LH & FSH controls reproduction
Oxytocin bonding hormone
Antidiuretic Hormone water balance
Alpha Cells release glucagon, raising blood sugar
Beta Cells release insulin, lowering blood sugar
Created by: user-1992551
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