Biology B 1.1 Keeping Healthy - keywords

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1. Which of the following are both inherited factors?

  • Muscle growth rate and will to exercise
  • Metabolic rate and cholesterol levels.
  • Cholesterol levels and muscle growth rate.
  • Metabolic rate and muscle growth rate.
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2. What is the main cause of deficiency diseases ?

  • Lack of exercise
  • Lack of fresh air
  • Lack of mineral ions
  • Lack of nutrients

3. What is the purpose of cholesterol in your body?

  • To increase maximal number of fat particles in your body.
  • To produce hormones by your cell membranes.
  • To improve the rate of processing fats in your body.
  • To help with reactions in your body cells.

4. How are viruses different from bacteria?

  • Viruses have irregular shapes
  • most bacteria are harmless, viruses cause diseases and are much smaller.
  • Only viruses are considered to be pathogenic.
  • most viruses are harmless, bacteria cause diseases and are much smaller.

5. What is meant by the term metabolic rate?

  • Amount of food your body can intake within a short time.
  • Rate of chemical reactions within the cells of a human body.
  • Rate of production of feces.
  • Average time for food to be consumed in your mouth.

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