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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation3 Marks
Question
Write the differences between: Systole and Diastole.
✓

Answer

 
Systole
 
Diastole
1.
It is the contraction of the heart chambers to drive blood into the aorta and the pulmonary artery.
1.
It is the relaxation of the heart chambers between two contractions. During diastole, the chambers are filled with blood.
2.
Systole decreases the volume of the heart chambers and forces the blood out of them.
2.
Diastole brings the heart chambers back into their original sizes to receive more blood.

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