The cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next heartbeat.It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, following a period of robust contraction and pumping of blood, dubbed systole.
The russian winter b/c it was too cold to have food for everybody
<span>Farmers can reduce soil erosion by contour plowing. The correct option among all the options that are given in the question is the second option or option "B". The other choices given in the question are incorrect and can be neglected. I hope that this is the answer that has actually come to your desired help.</span>
1. Vegetation 2. Glaciers 3. Earthquake 4. Crust 5.