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.:
astronomy biology bloom blossom blue butterfly cardiogram cellulose copybook dna drawn education erythrocyte factor female flask flower formula hand handwritten illustration ink leaf leucocyte liquid male microscope minus molecule notebook paper pen pencil plant platelet plus school set sex sheet shell sign sketch snail subject substance symbol vector white