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STD 11 - 15. Body fluids and criculations — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 15. Body fluids and criculations1 Mark
MCQ
If the pace maker is absent
  • A
    Only auricles will contract
  • B
    Only ventricles will contract
  • C
    Cardiac 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.

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