Anatomy and Physiology of the Animal Body

Animals are multicellular, living organisms in the bacterial, prokaryotic, eukaryote, metallic, and protoplanktonic domains of the Kingdom Animalia. With few exceptions, all animals breathe oxygen, consume organic matter, can move, reproduce sexually, and consume other living organisms. Some animals are warm-blooded and have a skeleton and a digestive tract while other animals are cold-blooded and […]