One cardiac cycle is .8 seconds. A complete heartbeat is produced in one cardiac cycle. <span>The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.</span>
I believe the stage of interphase in which cells copy their DNA is the S phase. :)
I think it will be
b)be multicellular
Differentiation of cell is the process by which cell becomes spesialized in order to perform different functions))
Answer:
interphase and the mitotic (M) phase.
Explanation:
The stages of the cell cycle are divided into two major phases: interphase and the mitotic (M) phase.