Question Sheet: Spit Power

SCIENCE

Before reading:

  1. Why do people produce saliva?
  2. What problems might you run into if salivary glands in your mouth failed to

    produce saliva?

During reading:

  1. In what way is saliva like water? In what way is it different?
  2. What do proteins in saliva do?
  3. How does a lack of saliva affect people?
  4. Why might someone not have enough saliva?
  5. How is the DNA in saliva useful to scientists? To crime scene investigators?
  6. Describe Navazesh's interest in the relationship between cavities and

    s...

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