Frog Heart ClipFeatures 17 or 24mm long 0. 6mm or 2. 5mm diameter, flat loops Surgical grade tainless steel Package of 5 It's important to note that the use of frog hearts in research is a well established practice in physiological and pharmacological studies, as the frog heart is relatively robust and can continue beating even when isolated from the body. However, the use of animals in research should be conducted in accordance with ethical guidelines and