Psychology and Biology 2

Central nervous system - composed of
Brain and spiral cord.
PeripheralNervous system- carries out
commands for the central nervous
system and sends information to it


Somatic nervous system - messages received
from the brain and spinal card control
purposeful body movements.
Autonomic nervous system - regulates the
glands and muscles of internal organs. Spinal cord - transmits messages
from sensory receptors to the brain
Parasympathetic division - Sympathetic division - and from the brain to muscles and
regulates involuntary controls involuntary glands and sometimes goes
bodily functions. bodily functions. straight to muscles and glands.

Frontal lobe - speaking, Parietal lobe - sense of
planning, judging, touch body position/
abstract thinking, spatial reasoning
personality aspects.


Occipital Lobe -
Temporal lobe - visual information.
comprehension,
sound, and speech.


Nervous system VS, Endocrine system

• uses neurotransmitters as chemical • uses hormones as chemical messengers
messages


• carried in nerves • carried in blood

• Responds quickly to stimuli • slower acting

• Short-lived • Long-term effects

• specific targets • widespread targets