Question

Heart contractions are triggered by a tissue called the _________.​

Answer 1

Answer:

cardiac

Explanation:

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Answer 2

Cardiac muscle tissue is one of the three types of muscle tissue in your body. The other two types are skeletal muscle tissue and smooth muscle tissue. Cardiac muscle tissue is only found in your heart, where it performs coordinated contractions that allow your heart to pump blood through your circulatory system.

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