General Nervous System
Two main branches of the human nervous system.
C.N.S. and P.N.S. (central and peripheral)
What are the two main parts of the C.N.S.
Brain and spine
P.N.S. comprises of _________ in our bodies
All the nerves in our body outside of the brain and spine
System mode that is active when you are in a tough situation or very active (say the scientific name)
Sympathetic N.S./mode
Parasympathetic N.S./mode
Billions of cells connected throughout our body to send and receive signals
Nerves/neurons
What is considered the main messenger/relay station for the C.N.S.?
The spine
________ are responsible for sending signals to the brain
Sensory nerves/neurons
The rhyme we use for the mode when you are in danger or scared
fight or flight
The rhyme we use for the mode when you are eating
rest and digest
Organ which controls all executive functions
The Brain
Which major component of the C.N.S. can humans survive without?
Neither the brain nor spine can be absent or fully damaged.
_______ are responsible for receiving signals from the brain
Motor neurons
3 situations when that send your body into hype/panic
??????
3 situations where your chill mode would be activated
??????
Brain science
Neuroscience
Science is a___________
Science
Involuntary movements
Autonomic
Name 4 things that happen in your body when you are active or in a scary situation
Heartbeat/breathing increase, dilated pupils, digestion stopped, bladder relaxed, bronchioles dilated, adrenaline produced
Name 4 things that happen in your body when you are relaxing
Digestion active, slow breathing/heartrate, bladder contracts, pupils constricted, adrenaline stopped.
Bonus: How fast (mph) can neurons fire?
180-270 MPH
Voluntary movements
Somatic
Name of one of the chemicals released when you are scared or excited
epinephrine, norepinephrine.