| A | B |
| ostracism | the pain of being excluded |
| belonging | increased chance of survival; raises self-esteem |
| social motivation | one of three basic motivations |
| sexual attraction | heavily psychological, although hormones play a role |
| Alfred Kinsey | his study on sexual behavior was criticized as unscientific |
| basal metabolic rate | This is a measure of how much energy our body takes in while resting |
| set-point theory | states that everybody has a fixed weight. |
| insulin | controls glucose (sugar) levels, secreted by pancreas |