| vocabulary | The four systems | the 5 sences | The Brain | spinal cord |
| 100 | 100 | 100 | 100 | 100 |
| 200 | 200 | 200 | 200 | 200 |
| 300 | 300 | 300 | 300 | 300 |
| 400 | 400 | 400 | 400 | 400 |
| 500 | 500 | 500 | 500 | 500 |
| Final Question | ||||
what is the central nervous system made up of?
what is the central nervous system made up of?
the brain and the spinal cord
what comes out of the body that are finger like branches ?
what comes out of the body that are finger like branches ?
Dendrites
Fact:
a single nerve cell can have 50,000 dendrite branches
what do the axon do
what do the axon do
conducts electrical impalses away from the nerons cell body
their are 100 billion nerve cells in bundles called?
their are 100 billion nerve cells in bundles called?
nuerons
the cell body looks like a blob with an eye called?
the cell body looks like a blob with an eye called?
nucleus
what system monitors function and movement?
what system monitors function and movement?
the voluntary nervous system
this system controls movement of the heart, the stomach, intestine, and the glands what is this system called?
this system controls movement of the heart, the stomach, intestine, and the glands what is this system called?
the Autonomic Nervous System
what system comunicates with the rest of the systems through electrical signals?
what system comunicates with the rest of the systems through electrical signals?
the Central Nervous System
contains both sensory and motor nerves what is this system called?
contains both sensory and motor nerves what is this system called?
the Peripheral Nervous System
when you are under stress what nervous system is affected?
when you are under stress what nervous system is affected?
the autonomic nervous system
high in the back fo your _______ a patch of tissue grows hair like fibers what is the sense?
high in the back fo your _______ a patch of tissue grows hair like fibers what is the sense?
nose
smell
what does sight do?
what does sight do?
captures light and help turn it into an image, prossessed by the brain
your eyes perceive light wave, but your ______ perceive and interprets a different type of stimulas called?
your eyes perceive light wave, but your ______ perceive and interprets a different type of stimulas called?
ear
sound waves
your ______ is covered with small sensory structures called _________?
your ______ is covered with small sensory structures called _________?
tongue
taste buds
the sense of ________ depends on tiny sensory receptors in the skin
the sense of ________ depends on tiny sensory receptors in the skin
touch
how many nerve cells does an average adult contain in the brain?
how many nerve cells does an average adult contain in the brain?
nearly 100 billion nerve cells
what are the 100 billion nerve cells called?
what are the 100 billion nerve cells called?
neurons
what does the brain directly control?
what does the brain directly control?
voluntary movement
name two voluntary behaviors
name two voluntary behaviors
walking and thinking
name one of the involuntary responses the body also controls
name one
name one of the involuntary responses the body also controls
name one
- heartbeat
- blood pressure
- fluid balance
- posture
the spinal cord is ________ long
the spinal cord is ________ long
44cm long
the spinal cord weighs ________ grams
the spinal cord weighs ________ grams
about 34-40 grams
what is the spinal cord protected by and supported by?
what is the spinal cord protected by and supported by?
the vertebal colum,
made of small bones called vertebrae
the spinal cord has ________ layers of tube with an outer layer of nerve fibers wrpped in tissue
the spinal cord has ________ layers of tube with an outer layer of nerve fibers wrpped in tissue
2 the spinal cord is douple-layered
connected to the spinal cord are how many pairs of nerves?
connected to the spinal cord are how many pairs of nerves?
31 pairs of nerves
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