Answer:
yes it has some causative agents, and the term disease causative agent usually refers to the biological pathogen that causes a disease, such as a virus, parasite, fungus, or bacterium. Technically, the term can also refer to a toxin or toxic chemical that causes illness
Explanation:
Communicable diseases, are caused by microorganisms such as bacteria, viruses, parasites and fungi that can be spread, directly or indirectly, from one person to another. Some are transmitted through bites from insects while others are caused by ingesting contaminated food or water.
I believe it is <span>Esophageal sphincter I hope it helps =P!</span>
Because some drugs are only legal as a perscription like vicadin or ridalin while others are legal to buy like vitamin D and cold medicine.
