MCQ
If the pace maker is absent
- AOnly auricles will contract
- BOnly ventricles will contract
- CCardiac muscles will contract in a coordinated manner
- ✓Cardiac muscles will not contract in a coordinated manner
✓
Answer
Correct option: D.
Cardiac muscles will not contract in a coordinated manner
d
(d) Because pace maker of the heart is capable of initiating and regulating the heart beat.
(d) Because pace maker of the heart is capable of initiating and regulating the heart beat.
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