The cardiac cycle is __________.

0 votes
    the time period between the two heart sounds
    the action of the heart in a minute
asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
the synchronous contraction of the two atria followed by the contraction of the two ventricles
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



...