Show Why Heart Beats Both not Ways Way The butt butterfly s symbol of Inconstancy has a u heart beart that often beats back back- wards Prof John H. H Gerould has I demonstrated this strange behavior behavior many tunes times The Thc heart of ot nn un Insect is in Its back Instead of Its chest and md consists merely merely merely mere mere- ly of an nn enlargement in a n l long n blood vessel A beat bent will start at its rear end and travel forward squeezing the blood on ahead of It After Arter repeating this tills several times the heart healt will pause and then a beat will start at the forward forwar en end sending the blood blood in the opposite direction Occasionally the trite beat will start In fin thi middle sending the blood both wa ways S |