Biology-B1-1a Flashcards
Name all the food groups you should eat to have a balanced diet.
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Put these jobs in order of how much energy they would need from their food. (highest to lowest)
a) mechanic
b) professional runner
c) secretary
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Name five health problems that are associated with obesity.
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In terms of energy, what does a person have to do to lose weight?
Eat less food?
Describe three ways in which your immune system defends your body against disease.
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Describe how the MMR vaccine prevents you from getting measles, mumps and rubella.
You get the injection which is practically the disease so your body produces antibodies to fight the infection if it ever gets it.
Why shouldn’t your doctor give you an antibiotic for the flu?
The flu is a viral infection which cannot be treated with antibiotics??
Name one type of bacteria that has developed resistance to antibiotics.
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What practice did Semmelweis introduced in the 1840’s? Explain why this reduced death rates on his ward.
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Describe the structure of the central nervous system, and explain what it does.
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Where would you find the following receptors in a dog:
a) Smell
b) Taste
c) Light
d) Pressure
e) Sound
a) Nose
b) Tongue/Mouth?
c) Eyes
d) ?
e) Ears
What is a synapse?
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What is the purpose of a reflex action?
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Describe the pathway of the reflex arc from stimulus to response.
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Define ‘hormone’.
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Describe two effects of FSH on the body.
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State two advantages and disadvantages of using the contraceptive pill.
Advantages:
Can’t get pregnant
Regular/no periods
Disadvantages:
Screws up hormones
Briefly describe how IVF is carried out?
Make babies in test tubes??
What is Auxin?
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Explain how Auxin causes plant shoots to grow towards light.
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Water contents is kept steady by homeostasis. Describe how the amount and concentration of urine you produce varies depending on how much exercise you do and how hot it is.
urine is more concentrated when you’re dehydrated.??
Why might an athlete use performance enhancing drugs like steroids?
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Why might an athlete not use performance enhancing drugs like steroids?
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Briefly describe how a double bling drug trial works.
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