Infection refers to an abnormal condition that disrupts the physiological function of the body. It is caused by improper diet, lack of exercise, various infectious agents such as bacteria, fungi , viruses, and parasites , toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb the normal functioning of the body.

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Sample excuse letter in school class for the reasons of headaches and dysmenorrhea caused by menstrual cycle

Answer 1

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 18, Problem 13Q

Summary Introduction

Introduction:

Infection refers to an abnormal condition that disrupts the physiological function of the body. It is caused by improper diet, lack of exercise, various infectious agents such as bacteria, fungi, viruses, and parasites, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb the normal functioning of the body.

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Answer 2

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 18, Problem 13Q

Summary Introduction

Introduction:

Infection refers to an abnormal condition that disrupts the physiological function of the body. It is caused by improper diet, lack of exercise, various infectious agents such as bacteria, fungi, viruses, and parasites, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb the normal functioning of the body.

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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 18, Problem 13Q

Summary Introduction

Introduction:

Infection refers to an abnormal condition that disrupts the physiological function of the body. It is caused by improper diet, lack of exercise, various infectious agents such as bacteria, fungi, viruses, and parasites, toxic substances, genetic disorders, and depression or stress. All these factors play an important role in illness and disturb the normal functioning of the body.

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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 18, Problem 13Q

Summary Introduction