Answer:
D)dysentary is the correct answer.
Explanation:
dysentary infectious disease is caused by a protozoan.
Dysentery is caused by protozoan Entamoeba histolytica.
Protozoa are the single-cell eukaryotes that eat microbes as their food.
Protozoa that circulates through contaminated food and water affect the human digestive system by multiplying inside the intestines.
Dysentery is transmitted through ingestion contaminated water and by the food which is contaminated or by contact feces of patient.
It is transmitted also by infected people who touch the food without washing.
