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>
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The design of an experiment is synergistically related to the method of difference. Both are required in order to test a hypothesis and deliver a conclusion or evidence.
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im not totally sure but hope it helps
Cancers are said to be caused by genetics, meaning the disease originated from the DNA structure. There are viruses that affect the DNA. Examples are hepatitis B virus, Epstein-Barr virus, herpes virus-8 and human papilloma virus. These are the DNA viruses that could cause cancer.
