Leukocytes protect the body from microbial, viral and parasitic infections, allergens, cancer-causing cells, and substances causing inflammation. They also scavenge dead and decaying cells and tissues. Leukocytes belong to the five different classes, which are distinguished functionally and morphologically with each class exhibiting complex internal structural differences.

Question

Want to see the full answer?

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 7TYR

Summary Introduction

Introduction:

Leukocytes protect the body from microbial, viral and parasitic infections, allergens, cancer-causing cells, and substances causing inflammation. They also scavenge dead and decaying cells and tissues. Leukocytes belong to the five different classes, which are distinguished functionally and morphologically with each class exhibiting complex internal structural differences.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Which of the following blood cells function primarily as phagocytes?a. eosinophils b. basophils c. lymphocytes d. neutrophils

Which of the following cells is a granulocyte? Select one: a. Lymphocyte O b. Eosinophil O c. Monocyte d. Macrophage

An increase in the number of which of the following suggests a bacterial infection? A. Lymphocytes B. Neutrophils C. Monocytes D. Eosinophils

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 7TYR

Summary Introduction

Introduction:

Leukocytes protect the body from microbial, viral and parasitic infections, allergens, cancer-causing cells, and substances causing inflammation. They also scavenge dead and decaying cells and tissues. Leukocytes belong to the five different classes, which are distinguished functionally and morphologically with each class exhibiting complex internal structural differences.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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 7TYR

Summary Introduction

Introduction:

Leukocytes protect the body from microbial, viral and parasitic infections, allergens, cancer-causing cells, and substances causing inflammation. They also scavenge dead and decaying cells and tissues. Leukocytes belong to the five different classes, which are distinguished functionally and morphologically with each class exhibiting complex internal structural differences.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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 7TYR

Summary Introduction