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Brain and Special Senses (Spinal Cord (Autonomic Nervous System…

- - - - primary motor cortex
        
        initiates voluntary skeletal muscle
      - premotor cortex
        
        coordinates skilled movements
      - frontal eye field
        
        moves eye muscles
      - motor speech
        
        moves muscles involved with speech
    - - primary auditory cortex
        
        processes sound
      - auditory association area
      - primary cortex
    - - primary visual cortex
        
        processes visual information
      - visual association area
  - - - logic/facts
    - - creativity
    - - receives sensory information from muscles and joints to regulate body posture
        
        balance on 1 foot
        
        hand stand
        
        balance on skates
        
        standing up straight
        
        sitting up straight
        
        stunts/parcore
  - - - cerebral peduncles
        
        carry motor commands to motor cortex
      - superior cerebral peduncles
        
        connects cerebellum to midbrain
    - - regulate breathing
    - - regulate breathing
  - - - gray matter that connects thalamtic bodies
    - - 2 lobes with space in middle
        
        control which signals go where
      - Epithalamus
        
        responsible for sleep patterns
      - Hypothalamus
        
        connects to pitutary glands
        
        communicates with endocrine system
- - - - superior most part of spine
  - - - 12 pairs of spinal nerves
  - - - 5 pairs of spinal nerves
  - - - 5 pairs of spinal nerves
  - - - maintain homeostais when we are at rest
        
        Ex. breathing while we sleep
        
        conserving energy
      - rest and digest
      - preganglionic axons are longer
        
        less than 4 branches
      - activate few structures, don't turn on all organs
    - - maintain homeostais during exercise
        
        fight or flight
        
        preganglionic axons are shorter
        
        more than 20 branches
        
        increase metabolic activities
      - activate many structures, mass activation
        
        this happens when norepinephrine & epinephrine are inserted into blood
- - - - absorbs light to prevent reflection
  - - - blind spot because no photo receptors
  - - - pupil is inside
        
        changes size in response to light
- - - - Earlobe
        
        flexible
        
        Helps bring in vibrations/ sound waves
    - - carries sound waves to ear drum
    - - aka ear drum
        
        made of fiberous connective tissue
        
        vibrates when sound waves hit
        
        too much loudness or frequency can make them bleed
  - - - hammar
    - - triangular shape
    - - cylinder disc like plate
    - - oval window
      - round window
      - Air movement as a result of chewing, yawning and swalloing
        
        equalizes pressure
  - - - sense of direction
    - - snail shaped
    - - hearing