When stimulated, the brain stem's sneeze center orders muscle contractions from esophagus to sphincter. That includes the muscles controlling the eyelids. Some sneezers even shed a few tears. Perhaps people close their eyes while sneezing to prevent the expelled particles from entering their eyes,
Answer:
The acronym FDA stands for Food and Drug Administration
Explanation:
The Food and Drug Administration (FDA) is an agency that is responsible for the control, review and acceptance of all products that have to do with food and health of humans and animals. FDA controls drugs, biological products —including blood products— medical equipment and material, and food, both for human and animal use.
FDA is based and operates in the United States and reports to the Department of Health and Human Services. The scope of regulations issued by FDA is wide, being accepted in other countries as part of their drug and food control programs.
The Drug Enforcement Administration (DEA) is a US government law implementation organization under the U.S. Bureau of Justice, entrusted with fighting medication sneaking and use inside the United States.
Registration is an allow issued by the enrollment branch of the Drug Enforcement Administration that must be recharged every year. A doctor must get a yearly allow for opiate enrollment.
