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

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 15. Body fluids and criculations4 Marks
MCQ
Cardiac cycle is a cyclic event that occur in
  • ✓
    Single beat
  • B
    Double beat
  • C
    Atrium
  • D
    Ventricle
✓

Answer

Correct option: A.
Single beat
a
The cycle of events which occur in a single heart beat is called cardiac cycle. It involves contraction and relaxation of the heart muscle

Systole When blood is ejected from the heart contraction

Diastole When chambers of the heart are filled with the blood. It is also called relaxation

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