Brain Structure
How many lobes are there in the cerebrum? List them!
occipital, temporal, parietal, frontal
Describe sensory vs. motor functions
sensory - stimuli is taken from body to brain
motor - brain signals to body
What type of cell is a neuron?
nerve cell
What two things does the central nervous system consist of?
brain and spinal cord
What source would photoreceptors be stimulated by?
light
What is the largest part of the brain?
cerebrum
This part of the brain is known for balance, movement, and posture?
cerebellum
What is the responsibility of the dendrite?
receive messages from other neurons
What nervous system consists of cranial and spinal nerves?
peripheral nervous system (PNS)
During a reflex, what organ is by-passed?
What is the job of the frontal lobe?
intellectual function
The main function of the spinal cord?
control of muscle movement
What is the function of the myelin sheath?
increase the speed of the AP on the neuron
This type of nervous system is known for voluntary actions, such as skeletal muscles being controlled?
somatic nervous system
These chemical messengers carry signals from neuron to neuron?
neurotransmitter
What connects the two hemispheres of the cerebrum?
corpus callosum
What is the part of the brain responsible for being the relay station?
thalamus
What part of the neuron carries impulses away from the cell body?
axon
This nervous system is know for involuntary action such as fight or flight, rest or digest?
autonomic nervous system
The sympathetic nervous system consists of this neurological response? (HINT: think of our scenarios activity)
fight or flight response
What are the three parts of the brain stem?
midbrain, pons, and medulla oblongata
This part of the brain maintains homeostasis (hunger, thirst, temperature, and hormones)?
hypothalamus
When a neuron is at resting potential, what charge will it have?
negative
What are the three layers that protect the central nervous system called? (HINT: when inflamed you can get meningitis?)
Meninges (pia mater, arachnoid layer, dura mater)
What are the two divisions of the peripheral nervous system?
somatic and autonomic