ans. 11. there are other chemical messengers that affects human physiology including nitric oxide (NO), which help to regulate blood flow in tissue, leading to the development of viagra.
ans 12. BPA is a chemical found in plastics that can alter multiple endocrine harmone signaling pathway (estrogen) specifically through interaction with the steroid Harmone receptor (estrogen receptor)
Question 11 2 pts which helps to regulate blood flow There are other chemcial messengers that...