The CNS consists of the brain and spinal cord. Neurones are cells that travel through the body, sending messages via the spinal cord. They send these messages by passing information through one neurone (to the receptors at the end) to another neurone
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What is the gap called between neurones?
The synaptic gap or the synaptic cleft.
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Can you label all 6 of the elements that make up a single neurone?
1. Dendrites 2.Nucleus 3. Cell body 4. Myelin Sheath 5. Nodes of Ranvier 6. Axon
What are the four chemical messengers in Neurotransmitters?
Dopamine, Serotonin, Noradrenaline & Cholinergic.
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What is a Genotype and what is a Phenotype?
The Genotype is the genetic constitution and the Phenotype is what the individual becomes when their genes interact with each other and the environment.
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What is a Dominant Gene and what is a Recessive Gene?
A Dominant Gene are the genes that lead to more prominent characteristics such as; a father and son both have the same coloured hair. A Recessive Gene is where a gene needs more than one copy to produce a characteristic.
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"Psychologists are interested in inherited characteristics and experiences because they want to find causes for behaviour." What is this known as?
The Nature vs Nurture debate.
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How many chromosomes are in the human body?
46 pairs (23 from the father, 23 from the mother)
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What is Klinefelter's syndrome?
Klinefelter's syndrome occurs in about one male in every 500-1000 males. Men with Klinefelter's syndrome have an extra X chromosome, so they are XXY. There testes are small and their fertility will be low, many will be sterile.
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What is Turner's syndrome?
Turner's syndrome is a disorder that affects girls. This condition occurs in about 1 in 2500 births of girls worldwide and is more common in pregnancies that do not go to term. It is caused by a missing X chromosome. Girls will likely be infertile.
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What does the term "Lateralised" mean?
Lateralised is the term for the use of only one hemisphere in the brain. It is said that males are more lateralised because they use the right hemisphere primarily whereas females use both hemispheres.
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How are hormones passed through the body?
Hormones are passed through the bloodstream of the human body, making this a slow process.
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Other cards in this set
Card 2
Front
What is the gap called between neurones?
Back
The synaptic gap or the synaptic cleft.
Card 3
Front
Can you label all 6 of the elements that make up a single neurone?
Back
Card 4
Front
Can you label all 11 components of the brain?
Back
Card 5
Front
What are the four chemical messengers in Neurotransmitters?
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