HEARTBEAT ➤ The alternating relaxations and contractions make up the cardiac cycle and one complete cardiac cycle makes one heartbeat.and in other words, one complete pulsation of the heart is called heartbeat. It is the complete regular movement movement of our heart as it passes blood around your body. STEPS OF CARDIAC CYCLE ➤ C omplete cardiac cycle consist of the following steps . CARDIAC DIASTOLE ➤ Atria and ventricles relax and blood is filled in atria. this period is called cardiac diastole. In short, it is the period of relaxation of heart muscles.In one complete heartbeat, diastole lasts about 0.4 seconds. ATRIAL SYSTOLE ➤ It is the last phase in diastole during which the ventricular filling is competed. Immediately after their filling, both atria contracts and pump blood towards ventricles. This period in cardiac cycle is called atrial systole.In o...
"biologyinmystyle"biology related blog, here you can find all content related to biology like biology notes, biology presentation,biology topics in easy way for class 9, class 10, class11, class 12