frog heart anatomy on black dog silhouette with shadow . part of the mammal heart. anatomy of pet heart . educ

abstract amphibian anatomy animal aquatic art background black business cartoon collection computer concept creative design diffuse dog eating educ education element environment food forest frog graphic green heart icon illustratio illustration image isolated leaping light line logo macro mammal natural nature outdoors outline painting part pet shadow sign silhouette symbol tadpole template tree tropical vector white wild wildlife zoology