Ask the Chatbot Games & Quizzes ProCon History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
cardiac cycle
Directory
References
Discover
Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint
8 of the Largest Empires in History
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.
Why Is It Called Black Friday?
Super Typhoon Noru over the western tropical Pacific Ocean as observed by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA Aqua satellite July 31 2017
What Is the Difference Between a Typhoon and a Super Typhoon?
Thanksgiving Celebration Traditional Dinner Setting Food Concept
Why Is Thanksgiving in the U.S. Celebrated on a Thursday?
An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses
A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000
14 Tough Questions Answered

cardiac cycle

physiology

Learn about this topic in these articles:

description of process

  • heart
    In heart

    This process is called the cardiac cycle. The period of relaxation is called diastole. The period of contraction is called systole. Diastole is the longer of the two phases so that the heart can rest between contractions. In general, the rate of heartbeat varies inversely with the size of the…

    Read More
  • human circulatory system
    In circulatory system: Fluid compartments

    …heart is known as the cardiac cycle.

    Read More
  • heart
    In human cardiovascular system: Nervous control of the heart

    The cardiac cycle is defined as the time from the end of one heart contraction to the end of the subsequent contraction and consists of a period of relaxation called diastole followed by a period of contraction called systole. During the entire cycle, pressure is maintained…

    Read More