Grade 7

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Please answer  the following questions by commenting below.

Questions

  1. What would happen if someone stops breathing? 
  2. What is the function  of the alveoli?
  3. Why is the circulatory system important?
  4. Why do we eat food?
  5. What are the main organs of the digestive system?
  6. Identify  three differences between  the male and female reproductive systems. How is each difference important?
  7. How are the sense organs important?
  8. Why do we need a nervous system?
  9. Why do we need the skeletal system?
  10. How are (a)the lung and (b) the skin also involved in excretion?

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