MEDICINE
INFECTIOUS DISEASES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a host
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a parasite
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a cell
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a virus
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Detailed explanation-1: -A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa. Entamoeba histolytica is a protozoan.
Detailed explanation-2: -Parasitism is the interaction between two species where only one benefits from the other organism and the other is harmed in return. The one that benefits from the other organism is called a parasite, while the organism that is being harmed is called a host.
Detailed explanation-3: -Parasites like leeches live on or feed on other organisms. They suck blood from the organism they feed on and as a result causing harm to the host organism. Human beings and various types of animals can act as possible hosts for parasites.