Human biology 28 Hominidae-- Homo sapiens-- Man 7 Biochemistry-- Biology 6 Human physiology 5 Biochemistry 4 Anthropology 3 Human Biology 3 Human behavior 3 Human ecology 3 Physical anthropology 3 human biology 3 Biology 2 Developmental psychology 2 Donation of organs, tissues, etc 2 Ethnology 2 Genetics 2 Health 2 Human body 2 Informed consent (Medical law) 2 Man-- Mammalia (Mammals) 2 Medical ethics 2 Medicine 2 Microbiology 2 Molecular biology 2 Moral and ethical aspects 2 Physiology 2 Sociobiology 2 Sociology 2 Transplantation of organs, tissues, etc 2 Abortion 1