ENVIRONMENTAL INTERACTION
1. Cerebral 2. Thalamus 3. Frontal lobe 4. Left hemisphere 5. Cerebellum 6. Medulla 7. Cerebrum
1 Neurons 2 Electrical relay 3 Voluntary muscles 4 Right body 5 Coordination 6 Involuntary muscles 7 Emotions/ visual/ thought
Acetylcholine
A transmitter chemical that causes muscle contraction
The brain and spinal cord are considered the ______ nervous system
Central
Which unit of the brain is responsible for the sense of balance?
Cerebellum
1. Impluse 2. Dendrite 3. Axon 4. Synapse 5. Axon 6. Dendrite 7. Multiple Axons
1 Polarization 2 Branching "tree-like" structure 3 Single thread 4 Space between neurons 5 Transmits signal from cell body 6 Receives signals 7 Electrical cable
1. Parietal lobe 2. Electrocardiogram 3. Sheath 4. Electroencephalogram 5. Frontal lobe 6. Temporal lobe 7. Synapse 8. Cranial nerve 9. Spinal nerves
1. Contains many sensory areas 2. Measures electrical changes of the heart 3. Fatty layer around axons 4. Measures brain waves 5. Willful muscle contraction; emotions 6. Sensations for hearing, taste, and smell 7. Space between neurons 8. Vagus nerve 9. spinal cord- input/output
Gathering and interpreting information is a function of the: 1. Endocrine system 2. Nervous system 3. Muscular system 4. Circulatory system
2. Nervous system
Epilepsy
A brain problem that causes seizures
Electroencephalogram
A graph showing the brain's electrical activity
Cholinesterase
An enzyme which neutralizes acetylcholine at the synapse
How do nerve signals pass through the synapse?
By chemical reactions
A shock absorbing liquid around the spinal cord and brain is ______ fluid
Cerebrospinal
Which portion of the brain recognizes sensory input?
Cerebrum
"Motor end plates" are associated with:
Dendrites Axon Sensory neuron Synapse
A medical tool to examine the electrochemical impulses of the brain is a(n) ____________
Electroencephalogram
the nervous system allows us to interact with the _______
Environment
A disease of the brain characterized by the seizure and loss of consciousness is ______
Epilepsy
True or False Neurons do not have a nucleus like most cells.
False
Cerebrospinal fluid
Fluid within the mening around the brain and spinal cord
What is the purpose of all the folds in the cerebrum?
Increases the surface area
Which major protion of the brain is responsible for the "automatic" internal function of the body?
Medulla
Impulses travel through neurons due to the reversal of_________
Membrane polarization
Protective membranes surrounding the brain are ______
Menings
The basic nerve cell is a _____
Neuron
What is the "Reflex Arc"?
Sensation and reaction circuit bypassing the brain
Polarized
Separation of charge in the neurons that prepares them for transmitting an impulse
True or False A concussion causes disruption of brain function.
True
The spinal cord runs through and is protected by the_____
Vertebrae
The largest and uppermost part of the brain is called the:
cerebrum
