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PART - 2 - Unit V : CH - 15 Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPART - 2 - Unit V : CH - 15 Body Fluids and Circulation1 Mark
MCQ
QRST is related to:
  • ✓
    Atrial contraction or depolarisation
  • B
    Atrial relaxation
  • C
    Ventricular contraction
  • D
    Cardiac cycle
✓

Answer

Correct option: A.
Atrial contraction or depolarisation
A

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