Understanding Free Radicals in the Human Body
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Questions and Answers

What is the main function of free radicals in the human body?

  • Creating unstable molecules and ions
  • Causing harm by attacking healthy cells
  • Contributing to the formation of waste and toxins
  • Aiding in fighting viruses and bacteria (correct)

    • Which environmental factor can cause the formation of free radicals in the body?

  • Proper diet
  • Regular exercise
  • Adequate sleep
  • Exposure to toxins (correct)

    • Why do atoms seek to gain or lose electrons?

  • To increase toxicity
  • To create instability
  • To become smaller in size
  • To achieve maximum stability (correct)

    • What determines the chemical behavior of an atom?

    <p>Number of electrons in its outer shell</p> Signup and view all the answers

    What role do electrons play in chemical reactions?

    <p>Bonding atoms together to form molecules</p> Signup and view all the answers

    How do atoms typically complete their outer shells?

    <p>By sharing electrons with other atoms</p> Signup and view all the answers

    What is the main source of free radicals in the human body based on the text?

    <p>Oxygen used during normal metabolism</p> Signup and view all the answers

    How do free radicals help the body, as mentioned in the text?

    <p>Fighting viruses and bacteria</p> Signup and view all the answers

    Which part of an atom plays a significant role in determining its chemical behavior?

    <p>Electrons</p> Signup and view all the answers

    What happens when an atom has a full outer shell of electrons?

    <p>It tends not to enter into chemical reactions</p> Signup and view all the answers

    How do atoms typically complete their outer shells?

    <p>By bonding with other atoms</p> Signup and view all the answers

    What is the role of electrons in chemical reactions?

    <p>Bonding atoms together to form molecules</p> Signup and view all the answers

    Which type of substance is likely to be inert in chemical reactions?

    <p>Substance with a full outer shell of electrons</p> Signup and view all the answers

    How do atoms seek to reach a state of stability through electron configuration?

    <p>By gaining or losing electrons from inner shells</p> Signup and view all the answers

    In what way do free radicals have a positive impact on the human body?

    <p>Assisting in fighting harmful agents</p> Signup and view all the answers

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