The contraction phase and relaxation phase of a human heart is called _ and _ respectively.

Diastole and Systole

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Systole and Diastole

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Lubb and Dubb

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Dubb and Lubb

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Solution

The correct option is B Systole and Diastole
The human heart works by contraction and relaxation of the cardiac muscles. The contraction phase is called systole and relaxation phase is called diastole.

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Similar questions

The cardiac cycle is the sequence of events that occurs when the heart beats. In the __(i)_, the heart ventricles ___(ii)___ and helps fill the heart with blood. In the __(iii)_____ the ventricles ___ _(iv)____and pump the blood to the body through the arteries.

Q. Pressure in artery during relaxation phase of heart is called systolic pressure.

Q. In a cardiac cycle, contraction phase is termed as ________ and relaxation phase is termed as _________

Which of the following correctly explains a phase/event in the cardiac cycle in a standard electrocardiogram?
(a) QRS complex indicates atrial contraction.
(b) QRS complex indicates ventricular contraction
(c) Time between S and T represents atrial systole.
(d) P-Wave indicates the beginning of ventricular contraction.

Q. Systole is the rhythmic contraction of the heart.

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The contraction phase and relaxation phase of a human heart is called ___ and ___ respectively.

The correct option is B Systole and DiastoleThe human heart works by contraction and relaxation of the cardiac muscles. The contraction phase is called systole and relaxation phase is called diastole.

The contraction phase and relaxation phase of a human heart is called _ and _ respectively.

The correct option is B Systole and Diastole
The human heart works by contraction and relaxation of the cardiac muscles. The contraction phase is called systole and relaxation phase is called diastole.