Adonis N. Gonzales Psych 130 BIO x PSYCH Biological Psychology is the science that deals with the biological bases of human behaviour. Your behavior stems from your brain and all that is related to your biological systems. From your cognitive functions, to behavior, up to performance in daily life, aside from having a psychological basis on it it also has a biological basis. Some of your characteristics are inherited from your parents that are encrypted on your DNA and is pass on through genes. As well some of yours behaviors, it is already existing in your body. The connections between the brain, the biological system and the nervous system helps them to interact with one another and be the source of your cognitive functions, performance in daily life, and most especially your behavior.