Infections are refers to an abnormal condition of body that disrupts important physical and physiological function of body. It is caused by improper diet, lack of exercise, various infectious agents such as bacterial, fungal, viral and parasitic that is present in nature, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb normal functioning of body.

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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 20, Problem 7Q

Summary Introduction

Introduction:

Infections are refers to an abnormal condition of body that disrupts important physical and physiological function of body. It is caused by improper diet, lack of exercise, various infectious agents such as bacterial, fungal, viral and parasitic that is present in nature, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb normal functioning of body.

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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 20, Problem 7Q

Summary Introduction

Introduction:

Infections are refers to an abnormal condition of body that disrupts important physical and physiological function of body. It is caused by improper diet, lack of exercise, various infectious agents such as bacterial, fungal, viral and parasitic that is present in nature, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb normal functioning of body.

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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 20, Problem 7Q

Summary Introduction

Introduction:

Infections are refers to an abnormal condition of body that disrupts important physical and physiological function of body. It is caused by improper diet, lack of exercise, various infectious agents such as bacterial, fungal, viral and parasitic that is present in nature, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb normal functioning of body.

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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 20, Problem 7Q

Summary Introduction