The cause of infection. Introduction: The immune system provides defense against invading pathogens. It is a complex network of cells, organs, and proteins, which provides immunity. Moreover, some immune cells are memory cells that can recognize pervious encountered pathogens and successfully eliminate them. The immune system protects against bacteria, viruses, fungi , parasites , and some proteins.

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Answer 1

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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 14.6, Problem 12P

Summary Introduction

To explain: The cause of infection.

Introduction: The immune system provides defense against invading pathogens. It is a complex network of cells, organs, and proteins, which provides immunity. Moreover, some immune cells are memory cells that can recognize pervious encountered pathogens and successfully eliminate them. The immune system protects against bacteria, viruses, fungi, parasites, and some proteins.

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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 14.6, Problem 12P

Summary Introduction

To explain: The cause of infection.

Introduction: The immune system provides defense against invading pathogens. It is a complex network of cells, organs, and proteins, which provides immunity. Moreover, some immune cells are memory cells that can recognize pervious encountered pathogens and successfully eliminate them. The immune system protects against bacteria, viruses, fungi, parasites, and some proteins.

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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 14.6, Problem 12P

Summary Introduction

To explain: The cause of infection.

Introduction: The immune system provides defense against invading pathogens. It is a complex network of cells, organs, and proteins, which provides immunity. Moreover, some immune cells are memory cells that can recognize pervious encountered pathogens and successfully eliminate them. The immune system protects against bacteria, viruses, fungi, parasites, and some proteins.

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Check out a sample textbook solution

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Answer 4

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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 14.6, Problem 12P

Summary Introduction