Animals 296 animal 294 physiology 241 nonhuman 187 Article 167 controlled study 148 human 144 animal experiment 132 male 128 Humans 117 mouse 103 metabolism 89 female 84 Mice 82 Male 81 rat 74 adult 71 article 69 animal model 65 Female 62 animal tissue 59 biological model 59 Rats 54 biology 51 Computational Biology 50 animal cell 48 genetics 48 animal behavior 40 nerve cell 40 procedures 37