ID 173800035 © iconiga | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
amphibian anatomy animal aorta biology black blood bones brain circulatory color design education element experiment frog graphic heart icon illustration knowledge lab laboratory learning life line lungs medical microbiology microscopy model nature organ outline pictogram preparation research school science sign symbol system technology test university vector white