B1 - Understanding Organisms

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1. Spinal Reflex

  • receptor -> sensory neurone -> relay neurone
  • CNS -> receptor -> sensory neurone -> stimulus-> motor neurone -> effector -> response
  • receptor -> sensory neurone -> relay neurone ->motor neurone -> effector
  • sensory neurone -> relay neurone ->motor neurone -> effector
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Other questions in this quiz

2. Alcohol damages the liver because...

  • the toxic chemical causes cirrhosis as it is broken down
  • the toxins cause cirrhosis as the alcohol is broken down
  • the liver cannot cope
  • the liver is poisoned

3. What causes heart disease?

  • Thrombosis
  • Restricted blood flow to the heart due to plaque
  • Smoking
  • Salt

4. An example of Homozygous =

  • Aaa
  • aaA
  • AA or aa
  • Aa or aA

5. Type 1 diabetes is caused by ...

  • insulin is reacting with the blood
  • the body is not reacting to insulin
  • the pancreas not producing enough insulin
  • insulin is being absorbed by the liver

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