Human immunodeficiency virus(HIV) causesinfection in humans. HIV comes under the genus Lentivirus and family Retroviridae . This infection can be transmitted by sexual contacts. During pregnancy, HIV is transmitted from the mother to child. Acquired immunodeficiency syndrome (AIDS) is the laststage of HIV. This stage leads to weight loss.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 23, Problem 11MC

Summary Introduction

Introduction:

Human immunodeficiency virus(HIV) causesinfection in humans. HIV comes under the genus Lentivirus and family Retroviridae. This infection can be transmitted by sexual contacts. During pregnancy, HIV is transmitted from the mother to child. Acquired immunodeficiency syndrome (AIDS) is the laststage of HIV. This stage leads to weight loss.

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Answer 2

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 23, Problem 11MC

Summary Introduction

Introduction:

Human immunodeficiency virus(HIV) causesinfection in humans. HIV comes under the genus Lentivirus and family Retroviridae. This infection can be transmitted by sexual contacts. During pregnancy, HIV is transmitted from the mother to child. Acquired immunodeficiency syndrome (AIDS) is the laststage of HIV. This stage leads to weight loss.

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Answer 3

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 23, Problem 11MC

Summary Introduction

Introduction:

Human immunodeficiency virus(HIV) causesinfection in humans. HIV comes under the genus Lentivirus and family Retroviridae. This infection can be transmitted by sexual contacts. During pregnancy, HIV is transmitted from the mother to child. Acquired immunodeficiency syndrome (AIDS) is the laststage of HIV. This stage leads to weight loss.

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Check out a sample textbook solution

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Answer 4

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 23, Problem 11MC

Summary Introduction