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Neko [114]
3 years ago
14

What characteristic of cardiac muscle causes contraction of the heart as a unit?

Biology
1 answer:
Readme [11.4K]3 years ago
6 0
The cardiac muscle has intercalated disk that allows rapid transmission of the impulse. This will allow the cardiac muscle to have a coordinated way. The heart muscle has pacemaker that will spread the signal in regular time. The transmission of impulse is also controlled by a few checkpoint like the bundle of his to make the signal to the Purkinje fiber of left and right ventricle at the same time.
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