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Teams
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seesaw
Swap points!
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fairy
Take points!
5
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25
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fairy
Take points!
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25
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baam
Lose 25 points!
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lifesaver
Give 25 points!
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star
Double points!
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fairy
Take points!
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lifesaver
Give 25 points!
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15
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What is the function of the dendrons and dentrites?
receive input from other neurons and transmit to the axon
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15
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Describe the pathway for a reflex arc
receptor â sensory neurone â relay neurone â motor neurone â effector
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15
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What does a relay neuron do?
connects one neuron to the next
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15
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What does a sensory neuron do?
transmits nerve impulses away from receptor cells when a stimulus is detected
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15
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What does the CNS stand for and what makes it up?
Central nervous system is made up of the brain and spinal cord
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What do motor neurons do?
transfer nerve impulses from the brain or the spinal cord to effectors, such as muscles or glands
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trap
No points!
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gold
Win 50 points!
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gift
Win 25 points!
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baam
Lose 15 points!
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banana
Go to last place!
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magnet
Take 15 points!
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rocket
Go to first place!
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thief
Give points!
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15
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Name the three types of nerve cells.
Sensory, relay, motor
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15
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How do sensory and relay neurons differ in structure?
Sensory neurons are longer as they have to transmit messages from distant parts of the body to the CNS; relay neurons have a short axon
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15
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What is an example of a reflex action?
pulling hand away from hot object; ducking when something moves toward your head; knee-jerk (patellar reflex)
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15
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What is a synapse
the gap or junction between two adjacent neurons
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15
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Name two examples of receptors
ouch receptors in the skin sound receptors in the ear light receptors in the eye, chemical (taste) receptors in the nose, tongue and mouth t
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15
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What is the function of the myelin sheath?
it makes the nerve impulses travel faster
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