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Author Question: The ability of a muscle to contract and relax is dependent on the flow of what substance in and out ... (Read 81 times)

sabina

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on: Aug 20, 2018
The ability of a muscle to contract and relax is dependent on the flow of what substance in and
  out of the muscle cell?
 
  A) calcium B) iron C) chloride D) phosphorus

Question 2

Most minerals are absorbed better from animal food sources than from supplements.
 
  Indicate whether the statement is true or false


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britb2u

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Reply #1 on: Aug 20, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


sabina

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Reply 2 on: Aug 20, 2018
Great answer, keep it coming :)

sarah_brady415

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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