The document appears to be a presentation on free radicals and their impact on human health. It includes slides on defining free radicals, identifying factors that cause them, and justifying their impact. There are slides on internal and external factors that produce free radicals, examples of free radicals, and how free radicals can damage DNA and potentially cause cancer. It also discusses how to stop free radicals and includes images and what appear to be practice questions.

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4. TRADITIONAL, MODERN AND COMPLEMENTARY MEDICINE
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Subject Code
Science
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6. At the end of the lesson, students should be able to:
Understand and justify the impact of free radicals on
human health
SC1: State the definition of free radicals
SC2: Identify the factors of free radicals
SC3: Justify the the impact of free radicals on human health

9. W H A T a r e F R E E R A D I C A L ?

10. W H A T a r e F R E E R A D I C A L ?
Free radicals are atoms or molecules that lack one
electron which makes the atoms or molecules
unstable, reactive and tend to attack other atoms
or molecules

11. W H A T c a u s e f r e e r a d i c a l s ?
 It is caused by oxidation
Oxidation is a chemical reaction that occurs
when a substance loses electrons in its reaction.
The oxidation process occurs naturally inside a
body
It produce free radicals.

12. Due to oxidation process,

13. EXAMPLE OF FREE
RADICALS
// Insert anything here like pictures or anything //
SCIENCE
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HYDROGEN PEROXIDE
NITRIC OXIDE
CARBON TETRACHLORIDE

16. 1

17. EX
INTERNAL FACTORS
• Normal metabolic process of cells
• …
EXTERNAL FACTORS
• cigarette smoke
NEED TO
REMEMBER
• air pollution
• sunlight
• exposure to radiation
• Metabolism
• White blood cells

21. • Free radicals damage our DNA
structure by removing electrons
from molecules that build DNA.
• Then, it forms carcinogenic
substances that may cause
mutations and cancer.

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23. This substance protect body cells from damage
by free radicals

25. HOW TO STOP FREE RADICALS?

26. QUESTION 1
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EXAMPLE
an image that cannot be seen
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INSTRUCTION
 BREAK OUT SESSION (10 MIN)
 DISCUSS WITH YOUR GROUP MEMBER

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Luke Chiang

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38. IFYOULOSE YOURMOM TUPPERWARE…
No, go back to A
Brb gonna die
Everything will be fine, right?
Brb gonna die
Everything will be fine, right?
No, go back to A
LEPAS KESILAPAN, APADIA?
Minta maaf
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Yang kuban kuban jela
Yang kuban kuban jela
Minta maaf
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EXAMPLE

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