A. Lungs because thats your respiratory system
Answer:
prefrontal cortex
Specifically, some of their most prominent effects occur in the prefrontal cortex—an area involved in mood, cognition, and perception—as well as other regions important in regulating arousal and physiological responses to stress and panic.
Explanation:
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environental because of the air toxic and germs that will make her sick
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B The Liver couldn't be able to filter out the bad substances.
It is B because that is what the liver does and if the liver is not working then you will have harmful substances in your body.
