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The beating of your heart is caused by _____. valves opening and closing contraction of heart blood moving through the heart relaxation of the heart
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4 votes
The beating of your heart is caused by _____.

valves opening and closing
contraction of heart
blood moving through the heart
relaxation of the heart

User Shailesh Sonare
by
7.6k points

2 Answers

6 votes

Answer:

I think it is B

User Kuldeep Dubey
by
8.8k points
4 votes

B is your answer hope this helps

User Wenger
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7.9k points
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