Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

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Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

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Answer 2

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Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

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Answer 3

Question

Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

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Answer 4

Question

Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

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Answer 5

Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

Answer 6

Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

Answer 7

Chapter 31, Problem 19A

Summary Introduction

Introduction:

Our body has two lines of defense one is the mechanical barrier and the other line of defense is the chemical barrier. Mechanical barrier includes skin. This is present on almost entire body and protects the body against microbes and dust. The second barrier includes chemicals like various proteins, for example complement system proteins, antibodies and many other proteins, WBCs and some other.

Answer 8

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Answer 11

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