1. The Chemistry of Happiness
... chemicals that influence cells and neurons. There are many brain systems that regulate various functions in the body. First, the autonomic nervous system (ANS) is a part of the inner structure of the brain and is a part of the nervous system. It controls and manages involuntary body functions, such as digestion, blood flow, breathing and heartbeat. It also controls all the ... , speeding up heart rate relaxing the bladder. In addition, it increases blood pressure and heart rate. Furthermore, the parasympathetic division of the autonomic nervous system helps maintain normal body functions ...
- Word Count: 2870
- Approx Pages: 11
- Has Bibliography
- Grade Level: Undergraduate