The Neuron

1
The Neuron

• Terminal
• Axon
• Cell Body
• Dendrites
• Schwann cell

2
Brain

• Cerebellum
• Gyrus
• Sulkus
• Corpus Callosum
• Cerebrum
• Pituitary
• Hypothalamus
• 8.
• 9. Pons
• 10. Medulla oblongata

3
Lobes of Brain
4
Ear

• 1. Outer Ear
• 2. Hammer, anvil, stirrup
• 3. Semicircular canals
• 4. Cochlea
• 5. Auditory nerve
• 6. Eardrum
• 7. Auditory canal

5
Eyeball

• Cornea
• Iris
• Ligaments
• Sclera
• Muscle
• Optic Nerve
• Vitreous humor
• Lens
• Aqueous humor
• Pupil

6
Brain Part Functions

• 1. Cerebrum
• 2. Thalamus
• 3. Pons
• 4. Medulla Oblongata
• 5. Corpus Callosum
• 6. Cerebellum

• 1. Center of intelligence
• 2. Connects to limbic system (emotions)
• 3. Sleep to wakefulness
• 4. Automatic functions
• 5. Connects hemispheres
• 6. Coordination

7
Brain Lobe Functions

• Frontal
• Parietal
• Occipital
• Temporal

• Higher intellectual functions
• Sensory association
• Primary visual area
• Primary auditory memory

8
Vocabulary

• Synapse
• Neuron
• Motor Neuron
• Sensory Neuron
• Association Neuron
• Near Sighted
• Far Sighted
• Neurotransmitter

• Junction of two neurons
• Basic unit of N. system
• Impulses to effectors
• Impulses to spinal cord
• Relays messages
• Can see near not far
• Can see far not near
• Chemical transmitter

9
Name 3 Neurotransmitters

• Acetylcholine
• Dopamine
• Serotonin
• Norepinephrine adrenaline
• Neuropeptides

10
Compare and Contrast Sympathetic and
parasympathetic systems

• Both motor portions of peripheral nervous system
• Sympathetic prepares for fight or flight
• Parasympathetic dominates during rest and leisure