Senses | More senses | Nervous System | Peripheral Nervous System | More Peripheral Nervous System! |
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Sweet
Sour Salty Bitter Umami
What are the 5 tastes our tongue can sense?
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Ossicles.
Hammer, anvil, stirrup
What are the three bones in our ear called? Name each of them
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To carry messages throughout the body
What is the function of the neuron?
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Electrical impulses
Nerve cells send signals to an from the brain as ______
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Motor neurons
These neurons take signals from the brain and pass them to the organs or structures that cause the body's response
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It has little hairs and liquid in it and when those things move, it sends the signals
How does the cochlea send signals to the brain?
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Epidermis
Dermis Fat
What are the three layers of the skin?
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Central Nervous System
Peripheral Nervous System
What two parts is the nervous system broken down into?
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They jump from one neuron to another
How do these signals move throughout the body?
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Input
This is information coming into a system
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Lens
Ciliary muscles
When we need to focus on something near or far away, what part of our eye is adjusted? What makes this thing adjust?
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Fat
Sweat glands Blood vessels
What are the 3 things in our skin that help to prevent us from getting too hot or too cold?
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Nerve
A bundle of neurons is called a __________
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The axon
Which part of the neuron sends the signal to the next neuron?
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Output
This is information going out of a system, in the form of nerve signals
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The occipital lobe
Which part of the brain does the optic nerve speak to?
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Erector pili muscle
When flexed, this makes our hairs stand up and we get 'goose bumps'
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The nerves that travel all around the body to the brain
What 2 things does the spinal cord connect?
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Myelin Sheath
What part on the neuron helps to increase the speed at which the messages travel from neuron to neuron?
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Cranial nerves connect directly to the brain and brain stem. Spinal nerves connect with the spinal cord and supply the rest of the body.
What is the difference between cranial nerves and spinal nerves?
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red
green blue
What 3 colors do the cones in our retina recognize?
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Ear wax
This stuff fights off infections and traps dirt
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The messages from your brain to your arm and back to your brain can't be sent because they need to travel down the spinal cord. If the spinal cord is broken, the message can't be carried.
If I break my spinal cord, why would I not be able to move my arm?
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Sensory neurons
These neurons sense or detect changes inside and outside of the body
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Cell body
This part of the neuron processes information and sends out signals to the axon.
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