psycology vocab #3 Flashcards
(11 cards)
Interneurons
withing the brain/ spinal chord. they communticate internally and process info between the sensory inputs and motor outputs
Somatic nervous system
divisions of the peripheral nervous system that controls the skeletal muscles
Autonomic nervous system
contols the glands/ muslces of the internal organs (heart)
Sympathetic nervous system
arouses the body, mobilizing its energy
Parasympathetic nervous system
calms the body, conserving energy
Reflex
a simple, automatic respose to a sensory stimulus
Endocrine system
the bodys “slow” chemical communication system; a set of glands that secrete hormones into the bloodstream
Hormones
chemical messengers that are manufactured by the endocrine glands; travel through the bloodstream and affect other tissues
Adrenal glands
a pair of endocrine glands that sit above the kidneys and secrete hormones that arouse the body in times of stress.
Pituitary gland
most influential glands in th endocrine system; regulates growth and controls other endocrine glands
Lesion
tissue destruction