Ключевые слова: anal, anatomy, animalia, animals, anus, aorta, biological, biology, brain, cat, chordata, colon, drawing, duodenum, gastric juice, graphic, heart, hepatic cord, ileum, illustration, image, jejunum, kitten, life, liver, mammal, mammalia, mesentery, nerve cells, pancreas, pericardium, rectum, science, scientific, small intestines, spinal cord, spines, spleen, stomach, tail, vertebra, vertebrates, whiskers, zoological, zoology,