The differences between the three types of pathogens that the immune system of animals protects against. Introduction: The body contains a well-defined system to protect itself from infections and harmful agents. This system is known as the immunity system. The two types of immunity systems are innate and adaptive immunity. The immunity that an organism contains from the time of birth is called innate immunity. However, the immunity that the organism acquires during its lifetime is called adaptive immunity.

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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 52, Problem 2CQ

Summary Introduction

To explain: The differences between the three types of pathogens that the immune system of animals protects against.

Introduction: The body contains a well-defined system to protect itself from infections and harmful agents. This system is known as the immunity system. The two types of immunity systems are innate and adaptive immunity. The immunity that an organism contains from the time of birth is called innate immunity. However, the immunity that the organism acquires during its lifetime is called adaptive immunity.

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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 52, Problem 2CQ

Summary Introduction

To explain: The differences between the three types of pathogens that the immune system of animals protects against.

Introduction: The body contains a well-defined system to protect itself from infections and harmful agents. This system is known as the immunity system. The two types of immunity systems are innate and adaptive immunity. The immunity that an organism contains from the time of birth is called innate immunity. However, the immunity that the organism acquires during its lifetime is called adaptive immunity.

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Answer 3

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 52, Problem 2CQ

Summary Introduction

To explain: The differences between the three types of pathogens that the immune system of animals protects against.

Introduction: The body contains a well-defined system to protect itself from infections and harmful agents. This system is known as the immunity system. The two types of immunity systems are innate and adaptive immunity. The immunity that an organism contains from the time of birth is called innate immunity. However, the immunity that the organism acquires during its lifetime is called adaptive immunity.

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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 52, Problem 2CQ

Summary Introduction