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.:
action ambulance anatomy anemone animal bite cell cnida cnidae cnidaria cnidocyst cnidocyte coelenterates corals diagram discharge disease education explosive health hurt hydrae illustration jellyfish life mechanism medical medicine nature nematocys nematocyst ocean organelle pain pond protozoa scheme science scientific sea structure stung toxin tropical vacation vector water