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-transmitting messages to or from the brain
Components of a Nueron
- myelin sheath
- axon terminals
catch the message from the next cell over..converts the message
cable...path that the message will follow
change message back to a chemical (sprays it out)
What are the nervous systems?
- Central Nervous System
- Peripheral Nervous System
what system contains the brain, brain stem, and spinal cord?
Central Nervous System
what system is where the nerves are around the body?
Peripheral Nervous System
types of touch
pressure, pain, and temperature
doing something without actually thinking about it
some effects of Fight or Flight
- -increased heart rate
- -pupil contraction and dilation
what are the three sections of the brain?
Hind brain, Mid brain, and Fore brain
what part of the brain contains the medulla-vital functions
what does Pons control?
movement, alertness, attention, sleep etc...
what's in the mid brain?
Recticular Activity System
Snaps back into consciousness
Recticular Activity system
where is the fore brain?
at the top
control system for all messages, in and out of the brain
what controls the temperature, storage of nutrients, metabolism, motivation, and some emotion?
what system control learning, memory formation, desires, emotion, and aggression?
what is 70% of the brian tissue
what is the surface area of the cerebrum
what are the four lobes of the cerebrum?
parietal lobe, temporal lobe, ocipital lobe, ad frontal lobe
what lobe is at the rear of the cerebrum and is the sight?
what is the auditory sense
what lobe is the touch sensations?
what lobe has the motor skills?
what secrete hormones?
what are chemicals that provoke a response
what is it called when the body will self-regulate at a constant state?
what are five different types of glands?
Brain, Pituitary, Thyroid, Adrenal, Sex glands
what gland is responsible for the growth hormone?
what gland is in the neck and regulates the metablism?
what supplies hormones responsible for energy?
what sex characteristics give facial hair, lowering of the voices, aggresion, and muscle mass?
what sex characteristics does breast development and menstruation belong to?
who was the first case study of the brain?
what did we learn from Phineas Gage accident.
There are different parts of the brain and some are more important than others
what are 3 examples of electric stimulation?
dystenia patient, the rats and bulls
what are four different brain scans?
x-rays internal organs
Magnetic Reasoning Image
not as clear
monitors electric activity
more constant idea of what's happening
constant monitoring...color coded