Bio Exam 1

homeostasis

steady state/internal balance

regulator

internal conditions maintained despite external

conformer

internal conditions CHANGE WITH external

sensor

senses and reacts to external

integrator

evaluates sensory info and develops response

effector

restores internal conditions

epithelial tissue

protection barrier for underlying organs

endothermic

gains heat thru metabolism

ectothermic

gains heat thru external sources

substrate feeder

lives on/in food source

filter feeder

traps/filters food from surroundings

glial cells

support neurons and nervous system

myelin sheath

protective membrane around axon nerve

peristalsis

rhythmic contractions, food to stomach via esophagus

hepatic

relating to liver

metabolic rate

energy use per unit of time

synapse

transmission of info from neuron to neuron

afferent neurons

send info to the central nervous system

efferent neurons

send info AWAY from central nervous system