What are hormones? Give two examples.
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They are chemical substances, which are very important for our body; adrenaline and insulin are two examples.
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please answer my question.
identify these poisonous plants and write their names using the help box.
it originate from north africa. if one drink a large amount of its sap, it is doomed to death. some people drink it to inactive snake poisoning. the roots of it used to be as expensive as gold..........................
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