Brain Power Revision
1.
Define metabolism. ………………………………………………………………………………………
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2.
Name the components of the central nervous system and the peripheral nervous system.
CNS ………………………………………………………………………………………………………
PNS
3
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Describe the reflex response by quoting a simple example. ………………………………………………
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4.
Describe the path of the nervous impulse during a reflex arc.
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5.
Draw a simple labeled sketch of a neuron.
6.
State the function of the myelin sheath in a neuron. ………………………………………………………
7.
Describe what happens at a synapse. ………………………………………………………………………
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8.
Identify the chemicals which are responsible for the passage of a nerve message from one neuron to the
next. ………………………………………………………………………………………………………
9.
Explain the difference between a motor neuron and a sensory neuron …………………………………...
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10.
Draw a labeled diagram of a neuron in the space below
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11.
State the role of the brain in a reflex arc.
12.
Name the three main sections of the human brain and give their function.
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13.
Describe the difference between an endocrine gland and an exocrine gland.
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14.
Name the master gland which controls the other glands in the endocrine system ………………………...
15.
Adrenaline is a hormone produced by the adrenal glands. It is sometimes referred to as the “fight-orflight” hormone. Comment on the reasons for this name. ………………………………………………
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16.
Insulin is a hormone. Name the site of insulin production in the body.
17.
State the role of insulin in the human body. ………………………………………………………………
18.
A student describes the nervous system as being very much like a telephone system, but the endocrine
system as being a bit like sending the runner all around the school just to find one person. Comment on
the student’s reasoning for these statements.
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