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3 August, 01:49

If the intercalated discs of cardiac muscle lost their functionality ...

a) the heart muscle would not be able to contract in unison.

b) the heart muscle would contract at random sometimes and in unison at other times.

c) the heart muscle would increase blood volume in the vessels.

d) the heart muscle would contract in unison.

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Answers (1)
  1. 3 August, 02:54
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    a) the heart muscle would not be able to contract in unison.

    Explanation:

    As it's function is to maintain smooth coordination in muscle contraction and relaxation together
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