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Author Question: The first medicines used by humans probably came from ____________________. Fill in the blank(s) ... (Read 87 times)

Redwolflake15

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on: Jul 21, 2018
The first medicines used by humans probably came from ___________________ _.
 
  Fill in the blank(s) with correct word

Question 2

For many years, valves from the hearts of ___________________ _ have been used to replace human heart valves.
 
  Fill in the blank(s) with correct word


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xoxo123

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Reply #1 on: Jul 21, 2018
Answer to Question 1

plants

Answer to Question 2

pigs


Redwolflake15

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Reply 2 on: Jul 21, 2018
Excellent

Mochi

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Reply 3 on: Yesterday
Wow, this really help

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